18661838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 32622240

約数和(自身を除く): 13960402

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 247, 481, 494, 703, 962, 1021, 1406, 2042, 9139, 13273, 18278, 19399, 26546, 37777, 38798, 75554, 252187, 491101, 504374, 717763, 982202, 1435526, 9330919, 18661838]

約数ペア:

[(1, 18661838), (2, 9330919), (13, 1435526), (19, 982202), (26, 717763), (37, 504374), (38, 491101), (74, 252187), (247, 75554), (481, 38798), (494, 37777), (703, 26546), (962, 19399), (1021, 18278), (1406, 13273), (2042, 9139)]