18935410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1289}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 37059120

約数和(自身を除く): 18123710

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1289, 1469, 2578, 2938, 6445, 7345, 12890, 14690, 16757, 33514, 83785, 145657, 167570, 291314, 728285, 1456570, 1893541, 3787082, 9467705, 18935410]

約数ペア:

[(1, 18935410), (2, 9467705), (5, 3787082), (10, 1893541), (13, 1456570), (26, 728285), (65, 291314), (113, 167570), (130, 145657), (226, 83785), (565, 33514), (1130, 16757), (1289, 14690), (1469, 12890), (2578, 7345), (2938, 6445)]