19637608

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{40241}}^1$

素因数の和:40308

約数の個数: 16

約数和(自身を含む): 37425060

約数和(自身を除く): 17787452

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 40241, 80482, 160964, 321928, 2454701, 4909402, 9818804, 19637608]

約数ペア:

[(1, 19637608), (2, 9818804), (4, 4909402), (8, 2454701), (61, 321928), (122, 160964), (244, 80482), (488, 40241)]