18982820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 43061760

約数和(自身を除く): 24078940

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1423, 2668, 2846, 3335, 5692, 6670, 7115, 13340, 14230, 28460, 32729, 41267, 65458, 82534, 130916, 163645, 165068, 206335, 327290, 412670, 654580, 825340, 949141, 1898282, 3796564, 4745705, 9491410, 18982820]

約数ペア:

[(1, 18982820), (2, 9491410), (4, 4745705), (5, 3796564), (10, 1898282), (20, 949141), (23, 825340), (29, 654580), (46, 412670), (58, 327290), (92, 206335), (115, 165068), (116, 163645), (145, 130916), (230, 82534), (290, 65458), (460, 41267), (580, 32729), (667, 28460), (1334, 14230), (1423, 13340), (2668, 7115), (2846, 6670), (3335, 5692)]