18274685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 26248320

約数和(自身を除く): 7973635

約数列:

[1, 5, 11, 13, 55, 61, 65, 143, 305, 419, 671, 715, 793, 2095, 3355, 3965, 4609, 5447, 8723, 23045, 25559, 27235, 43615, 59917, 127795, 281149, 299585, 332267, 1405745, 1661335, 3654937, 18274685]

約数ペア:

[(1, 18274685), (5, 3654937), (11, 1661335), (13, 1405745), (55, 332267), (61, 299585), (65, 281149), (143, 127795), (305, 59917), (419, 43615), (671, 27235), (715, 25559), (793, 23045), (2095, 8723), (3355, 5447), (3965, 4609)]