19107620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136483}}^1$

素因数の和:136499

約数の個数: 24

約数和(自身を含む): 45858624

約数和(自身を除く): 26751004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136483, 272966, 545932, 682415, 955381, 1364830, 1910762, 2729660, 3821524, 4776905, 9553810, 19107620]

約数ペア:

[(1, 19107620), (2, 9553810), (4, 4776905), (5, 3821524), (7, 2729660), (10, 1910762), (14, 1364830), (20, 955381), (28, 682415), (35, 545932), (70, 272966), (140, 136483)]