19890287568

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{28663}}^1$

素因数の和:28817

約数の個数: 120

約数和(自身を含む): 57295896320

約数和(自身を除く): 37405608752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 79, 122, 144, 158, 183, 237, 244, 316, 366, 474, 488, 549, 632, 711, 732, 948, 976, 1098, 1264, 1422, 1464, 1896, 2196, 2844, 2928, 3792, 4392, 4819, 5688, 8784, 9638, 11376, 14457, 19276, 28663, 28914, 38552, 43371, 57326, 57828, 77104, 85989, 86742, 114652, 115656, 171978, 173484, 229304, 231312, 257967, 343956, 346968, 458608, 515934, 687912, 693936, 1031868, 1375824, 1748443, 2063736, 2264377, 3496886, 4127472, 4528754, 5245329, 6793131, 6993772, 9057508, 10490658, 13586262, 13987544, 15735987, 18115016, 20379393, 20981316, 27172524, 27975088, 31471974, 36230032, 40758786, 41962632, 54345048, 62943948, 81517572, 83925264, 108690096, 125887896, 138126997, 163035144, 251775792, 276253994, 326070288, 414380991, 552507988, 828761982, 1105015976, 1243142973, 1657523964, 2210031952, 2486285946, 3315047928, 4972571892, 6630095856, 9945143784, 19890287568]

約数ペア:

[(1, 19890287568), (2, 9945143784), (3, 6630095856), (4, 4972571892), (6, 3315047928), (8, 2486285946), (9, 2210031952), (12, 1657523964), (16, 1243142973), (18, 1105015976), (24, 828761982), (36, 552507988), (48, 414380991), (61, 326070288), (72, 276253994), (79, 251775792), (122, 163035144), (144, 138126997), (158, 125887896), (183, 108690096), (237, 83925264), (244, 81517572), (316, 62943948), (366, 54345048), (474, 41962632), (488, 40758786), (549, 36230032), (632, 31471974), (711, 27975088), (732, 27172524), (948, 20981316), (976, 20379393), (1098, 18115016), (1264, 15735987), (1422, 13987544), (1464, 13586262), (1896, 10490658), (2196, 9057508), (2844, 6993772), (2928, 6793131), (3792, 5245329), (4392, 4528754), (4819, 4127472), (5688, 3496886), (8784, 2264377), (9638, 2063736), (11376, 1748443), (14457, 1375824), (19276, 1031868), (28663, 693936), (28914, 687912), (38552, 515934), (43371, 458608), (57326, 346968), (57828, 343956), (77104, 257967), (85989, 231312), (86742, 229304), (114652, 173484), (115656, 171978)]