19753120

素因数分解:

$2^5\times 5^1\times {\mathrm{123457}}^1$

素因数の和:123472

約数の個数: 24

約数和(自身を含む): 46667124

約数和(自身を除く): 26914004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123457, 246914, 493828, 617285, 987656, 1234570, 1975312, 2469140, 3950624, 4938280, 9876560, 19753120]

約数ペア:

[(1, 19753120), (2, 9876560), (4, 4938280), (5, 3950624), (8, 2469140), (10, 1975312), (16, 1234570), (20, 987656), (32, 617285), (40, 493828), (80, 246914), (160, 123457)]