19276420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31091}}^1$

素因数の和:31131

約数の個数: 24

約数和(自身を含む): 41787648

約数和(自身を除く): 22511228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31091, 62182, 124364, 155455, 310910, 621820, 963821, 1927642, 3855284, 4819105, 9638210, 19276420]

約数ペア:

[(1, 19276420), (2, 9638210), (4, 4819105), (5, 3855284), (10, 1927642), (20, 963821), (31, 621820), (62, 310910), (124, 155455), (155, 124364), (310, 62182), (620, 31091)]