18421538686

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1\times {\mathrm{330289}}^1$

素因数の和:330723

約数の個数: 16

約数和(自身を含む): 28061438400

約数和(自身を除く): 9639899714

約数列:

[1, 2, 79, 158, 353, 706, 27887, 55774, 330289, 660578, 26092831, 52185662, 116592017, 233184034, 9210769343, 18421538686]

約数ペア:

[(1, 18421538686), (2, 9210769343), (79, 233184034), (158, 116592017), (353, 52185662), (706, 26092831), (27887, 660578), (55774, 330289)]