18960305

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5953}}^1$

素因数の和:5985

約数の個数: 24

約数和(自身を含む): 28507752

約数和(自身を除く): 9547447

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 5953, 29765, 41671, 77389, 208355, 291697, 386945, 541723, 1458485, 2708615, 3792061, 18960305]

約数ペア:

[(1, 18960305), (5, 3792061), (7, 2708615), (13, 1458485), (35, 541723), (49, 386945), (65, 291697), (91, 208355), (245, 77389), (455, 41671), (637, 29765), (3185, 5953)]