19958614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20747}}^1$

素因数の和:20799

約数の個数: 16

約数和(自身を含む): 33113808

約数和(自身を除く): 13155194

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 20747, 41494, 269711, 539422, 767639, 1535278, 9979307, 19958614]

約数ペア:

[(1, 19958614), (2, 9979307), (13, 1535278), (26, 767639), (37, 539422), (74, 269711), (481, 41494), (962, 20747)]