19878670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12347}}^1$

素因数の和:12384

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 22796018

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12347, 24694, 61735, 86429, 123470, 172858, 283981, 432145, 567962, 864290, 1419905, 1987867, 2839810, 3975734, 9939335, 19878670]

約数ペア:

[(1, 19878670), (2, 9939335), (5, 3975734), (7, 2839810), (10, 1987867), (14, 1419905), (23, 864290), (35, 567962), (46, 432145), (70, 283981), (115, 172858), (161, 123470), (230, 86429), (322, 61735), (805, 24694), (1610, 12347)]