19478770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 37422000

約数和(自身を除く): 17943230

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 769, 1490, 1538, 2533, 3845, 5066, 7690, 12665, 13073, 25330, 26146, 65365, 114581, 130730, 229162, 572905, 1145810, 1947877, 3895754, 9739385, 19478770]

約数ペア:

[(1, 19478770), (2, 9739385), (5, 3895754), (10, 1947877), (17, 1145810), (34, 572905), (85, 229162), (149, 130730), (170, 114581), (298, 65365), (745, 26146), (769, 25330), (1490, 13073), (1538, 12665), (2533, 7690), (3845, 5066)]