19718608

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 29028272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 232, 364, 377, 406, 464, 467, 728, 754, 812, 934, 1456, 1508, 1624, 1868, 2639, 3016, 3248, 3269, 3736, 5278, 6032, 6071, 6538, 7472, 10556, 12142, 13076, 13543, 21112, 24284, 26152, 27086, 42224, 42497, 48568, 52304, 54172, 84994, 94801, 97136, 108344, 169988, 176059, 189602, 216688, 339976, 352118, 379204, 679952, 704236, 758408, 1232413, 1408472, 1516816, 2464826, 2816944, 4929652, 9859304, 19718608]

約数ペア:

[(1, 19718608), (2, 9859304), (4, 4929652), (7, 2816944), (8, 2464826), (13, 1516816), (14, 1408472), (16, 1232413), (26, 758408), (28, 704236), (29, 679952), (52, 379204), (56, 352118), (58, 339976), (91, 216688), (104, 189602), (112, 176059), (116, 169988), (182, 108344), (203, 97136), (208, 94801), (232, 84994), (364, 54172), (377, 52304), (406, 48568), (464, 42497), (467, 42224), (728, 27086), (754, 26152), (812, 24284), (934, 21112), (1456, 13543), (1508, 13076), (1624, 12142), (1868, 10556), (2639, 7472), (3016, 6538), (3248, 6071), (3269, 6032), (3736, 5278)]