19215020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{523}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 44368128

約数和(自身を除く): 25153108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 523, 668, 835, 1046, 1670, 1837, 2092, 2615, 3340, 3674, 5230, 5753, 7348, 9185, 10460, 11506, 18370, 23012, 28765, 36740, 57530, 87341, 115060, 174682, 349364, 436705, 873410, 960751, 1746820, 1921502, 3843004, 4803755, 9607510, 19215020]

約数ペア:

[(1, 19215020), (2, 9607510), (4, 4803755), (5, 3843004), (10, 1921502), (11, 1746820), (20, 960751), (22, 873410), (44, 436705), (55, 349364), (110, 174682), (167, 115060), (220, 87341), (334, 57530), (523, 36740), (668, 28765), (835, 23012), (1046, 18370), (1670, 11506), (1837, 10460), (2092, 9185), (2615, 7348), (3340, 5753), (3674, 5230)]