15489940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40763}}^1$

素因数の和:40791

約数の個数: 24

約数和(自身を含む): 34241760

約数和(自身を除く): 18751820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 40763, 81526, 163052, 203815, 407630, 774497, 815260, 1548994, 3097988, 3872485, 7744970, 15489940]

約数ペア:

[(1, 15489940), (2, 7744970), (4, 3872485), (5, 3097988), (10, 1548994), (19, 815260), (20, 774497), (38, 407630), (76, 203815), (95, 163052), (190, 81526), (380, 40763)]