18709928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137573}}^1$

素因数の和:137596

約数の個数: 16

約数和(自身を含む): 37144980

約数和(自身を除く): 18435052

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137573, 275146, 550292, 1100584, 2338741, 4677482, 9354964, 18709928]

約数ペア:

[(1, 18709928), (2, 9354964), (4, 4677482), (8, 2338741), (17, 1100584), (34, 550292), (68, 275146), (136, 137573)]