18961982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 32864832

約数和(自身を除く): 13902850

約数列:

[1, 2, 13, 23, 26, 37, 46, 74, 299, 481, 598, 851, 857, 962, 1702, 1714, 11063, 11141, 19711, 22126, 22282, 31709, 39422, 63418, 256243, 412217, 512486, 729307, 824434, 1458614, 9480991, 18961982]

約数ペア:

[(1, 18961982), (2, 9480991), (13, 1458614), (23, 824434), (26, 729307), (37, 512486), (46, 412217), (74, 256243), (299, 63418), (481, 39422), (598, 31709), (851, 22282), (857, 22126), (962, 19711), (1702, 11141), (1714, 11063)]