19669780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75653}}^1$

素因数の和:75675

約数の個数: 24

約数和(自身を含む): 44484552

約数和(自身を除く): 24814772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75653, 151306, 302612, 378265, 756530, 983489, 1513060, 1966978, 3933956, 4917445, 9834890, 19669780]

約数ペア:

[(1, 19669780), (2, 9834890), (4, 4917445), (5, 3933956), (10, 1966978), (13, 1513060), (20, 983489), (26, 756530), (52, 378265), (65, 302612), (130, 151306), (260, 75653)]