19991295

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15319}}^1$

素因数の和:15359

約数の個数: 24

約数和(自身を含む): 35848800

約数和(自身を除く): 15857505

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15319, 45957, 76595, 137871, 229785, 444251, 689355, 1332753, 2221255, 3998259, 6663765, 19991295]

約数ペア:

[(1, 19991295), (3, 6663765), (5, 3998259), (9, 2221255), (15, 1332753), (29, 689355), (45, 444251), (87, 229785), (145, 137871), (261, 76595), (435, 45957), (1305, 15319)]