17939402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 30602880

約数和(自身を除く): 12663478

約数列:

[1, 2, 13, 23, 26, 46, 131, 229, 262, 299, 458, 598, 1703, 2977, 3013, 3406, 5267, 5954, 6026, 10534, 29999, 39169, 59998, 68471, 78338, 136942, 389987, 689977, 779974, 1379954, 8969701, 17939402]

約数ペア:

[(1, 17939402), (2, 8969701), (13, 1379954), (23, 779974), (26, 689977), (46, 389987), (131, 136942), (229, 78338), (262, 68471), (299, 59998), (458, 39169), (598, 29999), (1703, 10534), (2977, 6026), (3013, 5954), (3406, 5267)]