18438836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5813}}^1$

素因数の和:5891

約数の個数: 24

約数和(自身を含む): 35325864

約数和(自身を除く): 16887028

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 5813, 11626, 23252, 75569, 151138, 302276, 354593, 709186, 1418372, 4609709, 9219418, 18438836]

約数ペア:

[(1, 18438836), (2, 9219418), (4, 4609709), (13, 1418372), (26, 709186), (52, 354593), (61, 302276), (122, 151138), (244, 75569), (793, 23252), (1586, 11626), (3172, 5813)]