19973151

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{881}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 31646160

約数和(自身を除く): 11673009

約数列:

[1, 3, 9, 11, 33, 99, 229, 687, 881, 2061, 2519, 2643, 7557, 7929, 9691, 22671, 29073, 87219, 201749, 605247, 1815741, 2219239, 6657717, 19973151]

約数ペア:

[(1, 19973151), (3, 6657717), (9, 2219239), (11, 1815741), (33, 605247), (99, 201749), (229, 87219), (687, 29073), (881, 22671), (2061, 9691), (2519, 7929), (2643, 7557)]