19995061970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{921007}}^1$

素因数の和:921194

約数の個数: 32

約数和(自身を含む): 38991794688

約数和(自身を除く): 18996732718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167, 334, 835, 1670, 2171, 4342, 10855, 21710, 921007, 1842014, 4605035, 9210070, 11973091, 23946182, 59865455, 119730910, 153808169, 307616338, 769040845, 1538081690, 1999506197, 3999012394, 9997530985, 19995061970]

約数ペア:

[(1, 19995061970), (2, 9997530985), (5, 3999012394), (10, 1999506197), (13, 1538081690), (26, 769040845), (65, 307616338), (130, 153808169), (167, 119730910), (334, 59865455), (835, 23946182), (1670, 11973091), (2171, 9210070), (4342, 4605035), (10855, 1842014), (21710, 921007)]