19543436

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 37984800

約数和(自身を除く): 18441364

約数列:

[1, 2, 4, 11, 22, 44, 121, 149, 242, 271, 298, 484, 542, 596, 1084, 1639, 2981, 3278, 5962, 6556, 11924, 18029, 32791, 36058, 40379, 65582, 72116, 80758, 131164, 161516, 444169, 888338, 1776676, 4885859, 9771718, 19543436]

約数ペア:

[(1, 19543436), (2, 9771718), (4, 4885859), (11, 1776676), (22, 888338), (44, 444169), (121, 161516), (149, 131164), (242, 80758), (271, 72116), (298, 65582), (484, 40379), (542, 36058), (596, 32791), (1084, 18029), (1639, 11924), (2981, 6556), (3278, 5962)]