19018838

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 31492800

約数和(自身を除く): 12473962

約数列:

[1, 2, 23, 29, 46, 53, 58, 106, 269, 538, 667, 1219, 1334, 1537, 2438, 3074, 6187, 7801, 12374, 14257, 15602, 28514, 35351, 70702, 179423, 327911, 358846, 413453, 655822, 826906, 9509419, 19018838]

約数ペア:

[(1, 19018838), (2, 9509419), (23, 826906), (29, 655822), (46, 413453), (53, 358846), (58, 327911), (106, 179423), (269, 70702), (538, 35351), (667, 28514), (1219, 15602), (1334, 14257), (1537, 12374), (2438, 7801), (3074, 6187)]