18958524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2293}}^1$

素因数の和:2366

約数の個数: 48

約数和(自身を含む): 48559392

約数和(自身を除く): 29600868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2293, 2756, 4134, 4586, 6879, 8268, 9172, 13758, 27516, 29809, 59618, 89427, 119236, 121529, 178854, 243058, 357708, 364587, 486116, 729174, 1458348, 1579877, 3159754, 4739631, 6319508, 9479262, 18958524]

約数ペア:

[(1, 18958524), (2, 9479262), (3, 6319508), (4, 4739631), (6, 3159754), (12, 1579877), (13, 1458348), (26, 729174), (39, 486116), (52, 364587), (53, 357708), (78, 243058), (106, 178854), (156, 121529), (159, 119236), (212, 89427), (318, 59618), (636, 29809), (689, 27516), (1378, 13758), (2067, 9172), (2293, 8268), (2756, 6879), (4134, 4586)]