19203340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73859}}^1$

素因数の和:73881

約数の個数: 24

約数和(自身を含む): 43429680

約数和(自身を除く): 24226340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73859, 147718, 295436, 369295, 738590, 960167, 1477180, 1920334, 3840668, 4800835, 9601670, 19203340]

約数ペア:

[(1, 19203340), (2, 9601670), (4, 4800835), (5, 3840668), (10, 1920334), (13, 1477180), (20, 960167), (26, 738590), (52, 369295), (65, 295436), (130, 147718), (260, 73859)]