18188716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 21437780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 467, 749, 934, 1391, 1498, 1868, 2782, 2996, 3269, 5564, 6071, 6538, 9737, 12142, 13076, 19474, 24284, 38948, 42497, 49969, 84994, 99938, 169988, 199876, 349783, 649597, 699566, 1299194, 1399132, 2598388, 4547179, 9094358, 18188716]

約数ペア:

[(1, 18188716), (2, 9094358), (4, 4547179), (7, 2598388), (13, 1399132), (14, 1299194), (26, 699566), (28, 649597), (52, 349783), (91, 199876), (107, 169988), (182, 99938), (214, 84994), (364, 49969), (428, 42497), (467, 38948), (749, 24284), (934, 19474), (1391, 13076), (1498, 12142), (1868, 9737), (2782, 6538), (2996, 6071), (3269, 5564)]