19588580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 45178560

約数和(自身を除く): 25589980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 331, 538, 662, 1076, 1324, 1345, 1655, 2690, 2959, 3310, 3641, 5380, 5918, 6620, 7282, 11836, 14564, 14795, 18205, 29590, 36410, 59180, 72820, 89039, 178078, 356156, 445195, 890390, 979429, 1780780, 1958858, 3917716, 4897145, 9794290, 19588580]

約数ペア:

[(1, 19588580), (2, 9794290), (4, 4897145), (5, 3917716), (10, 1958858), (11, 1780780), (20, 979429), (22, 890390), (44, 445195), (55, 356156), (110, 178078), (220, 89039), (269, 72820), (331, 59180), (538, 36410), (662, 29590), (1076, 18205), (1324, 14795), (1345, 14564), (1655, 11836), (2690, 7282), (2959, 6620), (3310, 5918), (3641, 5380)]