19714420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89611}}^1$

素因数の和:89631

約数の個数: 24

約数和(自身を含む): 45164448

約数和(自身を除く): 25450028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89611, 179222, 358444, 448055, 896110, 985721, 1792220, 1971442, 3942884, 4928605, 9857210, 19714420]

約数ペア:

[(1, 19714420), (2, 9857210), (4, 4928605), (5, 3942884), (10, 1971442), (11, 1792220), (20, 985721), (22, 896110), (44, 448055), (55, 358444), (110, 179222), (220, 89611)]