18789970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{64793}}^1$

素因数の和:64829

約数の個数: 16

約数和(自身を含む): 34988760

約数和(自身を除く): 16198790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 64793, 129586, 323965, 647930, 1878997, 3757994, 9394985, 18789970]

約数ペア:

[(1, 18789970), (2, 9394985), (5, 3757994), (10, 1878997), (29, 647930), (58, 323965), (145, 129586), (290, 64793)]