19084995

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13681}}^1$

素因数の和:13723

約数の個数: 24

約数和(自身を含む): 34150272

約数和(自身を除く): 15065277

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 13681, 41043, 68405, 123129, 205215, 424111, 615645, 1272333, 2120555, 3816999, 6361665, 19084995]

約数ペア:

[(1, 19084995), (3, 6361665), (5, 3816999), (9, 2120555), (15, 1272333), (31, 615645), (45, 424111), (93, 205215), (155, 123129), (279, 68405), (465, 41043), (1395, 13681)]