17980070

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6491}}^1$

素因数の和:6775

約数の個数: 16

約数和(自身を含む): 32485968

約数和(自身を除く): 14505898

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 6491, 12982, 32455, 64910, 1798007, 3596014, 8990035, 17980070]

約数ペア:

[(1, 17980070), (2, 8990035), (5, 3596014), (10, 1798007), (277, 64910), (554, 32455), (1385, 12982), (2770, 6491)]