18969028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1607}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 35929152

約数和(自身を除く): 16960124

約数列:

[1, 2, 4, 13, 26, 52, 227, 454, 908, 1607, 2951, 3214, 5902, 6428, 11804, 20891, 41782, 83564, 364789, 729578, 1459156, 4742257, 9484514, 18969028]

約数ペア:

[(1, 18969028), (2, 9484514), (4, 4742257), (13, 1459156), (26, 729578), (52, 364789), (227, 83564), (454, 41782), (908, 20891), (1607, 11804), (2951, 6428), (3214, 5902)]