18157906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13177}}^1$

素因数の和:13245

約数の個数: 16

約数和(自身を含む): 29887704

約数和(自身を除く): 11729798

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13177, 26354, 171301, 342602, 698381, 1396762, 9078953, 18157906]

約数ペア:

[(1, 18157906), (2, 9078953), (13, 1396762), (26, 698381), (53, 342602), (106, 171301), (689, 26354), (1378, 13177)]