18891495924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:690

約数の個数: 192

約数和(自身を含む): 53323038720

約数和(自身を除く): 34431542796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 163, 239, 251, 276, 322, 326, 478, 483, 489, 502, 644, 652, 717, 753, 956, 966, 978, 1004, 1141, 1434, 1506, 1673, 1757, 1932, 1956, 2282, 2868, 3012, 3346, 3423, 3514, 3749, 4564, 5019, 5271, 5497, 5773, 6692, 6846, 7028, 7498, 10038, 10542, 10994, 11247, 11546, 13692, 14996, 16491, 17319, 20076, 21084, 21988, 22494, 23092, 26243, 32982, 34638, 38479, 38957, 40411, 40913, 44988, 52486, 59989, 65964, 69276, 76958, 77914, 78729, 80822, 81826, 104972, 115437, 116871, 119978, 121233, 122739, 153916, 155828, 157458, 161644, 163652, 179967, 230874, 233742, 239956, 242466, 245478, 272699, 286391, 314916, 359934, 419923, 461748, 467484, 484932, 490956, 545398, 572782, 719868, 818097, 839846, 859173, 896011, 940999, 1090796, 1145564, 1259769, 1379747, 1636194, 1679692, 1718346, 1792022, 1881998, 2519538, 2688033, 2759494, 2822997, 3272388, 3436692, 3584044, 3763996, 4139241, 5039076, 5376066, 5518988, 5645994, 6272077, 6586993, 8278482, 9658229, 9778207, 10752132, 11291988, 12544154, 13173986, 16556964, 18816231, 19316458, 19556414, 19760979, 25088308, 26347972, 28974687, 29334621, 37632462, 38632916, 39112828, 39521958, 57949374, 58669242, 68447449, 75264924, 79043916, 115898748, 117338484, 136894898, 205342347, 224898761, 273789796, 410684694, 449797522, 674696283, 821369388, 899595044, 1349392566, 1574291327, 2698785132, 3148582654, 4722873981, 6297165308, 9445747962, 18891495924]

約数ペア:

[(1, 18891495924), (2, 9445747962), (3, 6297165308), (4, 4722873981), (6, 3148582654), (7, 2698785132), (12, 1574291327), (14, 1349392566), (21, 899595044), (23, 821369388), (28, 674696283), (42, 449797522), (46, 410684694), (69, 273789796), (84, 224898761), (92, 205342347), (138, 136894898), (161, 117338484), (163, 115898748), (239, 79043916), (251, 75264924), (276, 68447449), (322, 58669242), (326, 57949374), (478, 39521958), (483, 39112828), (489, 38632916), (502, 37632462), (644, 29334621), (652, 28974687), (717, 26347972), (753, 25088308), (956, 19760979), (966, 19556414), (978, 19316458), (1004, 18816231), (1141, 16556964), (1434, 13173986), (1506, 12544154), (1673, 11291988), (1757, 10752132), (1932, 9778207), (1956, 9658229), (2282, 8278482), (2868, 6586993), (3012, 6272077), (3346, 5645994), (3423, 5518988), (3514, 5376066), (3749, 5039076), (4564, 4139241), (5019, 3763996), (5271, 3584044), (5497, 3436692), (5773, 3272388), (6692, 2822997), (6846, 2759494), (7028, 2688033), (7498, 2519538), (10038, 1881998), (10542, 1792022), (10994, 1718346), (11247, 1679692), (11546, 1636194), (13692, 1379747), (14996, 1259769), (16491, 1145564), (17319, 1090796), (20076, 940999), (21084, 896011), (21988, 859173), (22494, 839846), (23092, 818097), (26243, 719868), (32982, 572782), (34638, 545398), (38479, 490956), (38957, 484932), (40411, 467484), (40913, 461748), (44988, 419923), (52486, 359934), (59989, 314916), (65964, 286391), (69276, 272699), (76958, 245478), (77914, 242466), (78729, 239956), (80822, 233742), (81826, 230874), (104972, 179967), (115437, 163652), (116871, 161644), (119978, 157458), (121233, 155828), (122739, 153916)]