18568940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71419}}^1$

素因数の和:71441

約数の個数: 24

約数和(自身を含む): 41994960

約数和(自身を除く): 23426020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71419, 142838, 285676, 357095, 714190, 928447, 1428380, 1856894, 3713788, 4642235, 9284470, 18568940]

約数ペア:

[(1, 18568940), (2, 9284470), (4, 4642235), (5, 3713788), (10, 1856894), (13, 1428380), (20, 928447), (26, 714190), (52, 357095), (65, 285676), (130, 142838), (260, 71419)]