18928728

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 66044160

約数和(自身を除く): 47115432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 107, 108, 117, 126, 156, 162, 168, 182, 189, 214, 216, 234, 243, 252, 273, 312, 321, 324, 351, 364, 378, 428, 468, 486, 504, 546, 567, 642, 648, 702, 728, 749, 756, 819, 856, 936, 963, 972, 1053, 1092, 1134, 1284, 1391, 1404, 1498, 1512, 1638, 1701, 1926, 1944, 2106, 2184, 2247, 2268, 2457, 2568, 2782, 2808, 2889, 2996, 3159, 3276, 3402, 3852, 4173, 4212, 4494, 4536, 4914, 5564, 5778, 5992, 6318, 6552, 6741, 6804, 7371, 7704, 8346, 8424, 8667, 8988, 9737, 9828, 11128, 11556, 12519, 12636, 13482, 13608, 14742, 16692, 17334, 17976, 19474, 19656, 20223, 22113, 23112, 25038, 25272, 26001, 26964, 29211, 29484, 33384, 34668, 37557, 38948, 40446, 44226, 50076, 52002, 53928, 58422, 58968, 60669, 69336, 75114, 77896, 80892, 87633, 88452, 100152, 104004, 112671, 116844, 121338, 150228, 161784, 175266, 176904, 182007, 208008, 225342, 233688, 242676, 262899, 300456, 338013, 350532, 364014, 450684, 485352, 525798, 676026, 701064, 728028, 788697, 901368, 1051596, 1352052, 1456056, 1577394, 2103192, 2366091, 2704104, 3154788, 4732182, 6309576, 9464364, 18928728]

約数ペア:

[(1, 18928728), (2, 9464364), (3, 6309576), (4, 4732182), (6, 3154788), (7, 2704104), (8, 2366091), (9, 2103192), (12, 1577394), (13, 1456056), (14, 1352052), (18, 1051596), (21, 901368), (24, 788697), (26, 728028), (27, 701064), (28, 676026), (36, 525798), (39, 485352), (42, 450684), (52, 364014), (54, 350532), (56, 338013), (63, 300456), (72, 262899), (78, 242676), (81, 233688), (84, 225342), (91, 208008), (104, 182007), (107, 176904), (108, 175266), (117, 161784), (126, 150228), (156, 121338), (162, 116844), (168, 112671), (182, 104004), (189, 100152), (214, 88452), (216, 87633), (234, 80892), (243, 77896), (252, 75114), (273, 69336), (312, 60669), (321, 58968), (324, 58422), (351, 53928), (364, 52002), (378, 50076), (428, 44226), (468, 40446), (486, 38948), (504, 37557), (546, 34668), (567, 33384), (642, 29484), (648, 29211), (702, 26964), (728, 26001), (749, 25272), (756, 25038), (819, 23112), (856, 22113), (936, 20223), (963, 19656), (972, 19474), (1053, 17976), (1092, 17334), (1134, 16692), (1284, 14742), (1391, 13608), (1404, 13482), (1498, 12636), (1512, 12519), (1638, 11556), (1701, 11128), (1926, 9828), (1944, 9737), (2106, 8988), (2184, 8667), (2247, 8424), (2268, 8346), (2457, 7704), (2568, 7371), (2782, 6804), (2808, 6741), (2889, 6552), (2996, 6318), (3159, 5992), (3276, 5778), (3402, 5564), (3852, 4914), (4173, 4536), (4212, 4494)]