19115890263

素因数分解:

$3^2\times {\mathrm{223}}^1\times {\mathrm{2137}}^1\times {\mathrm{4457}}^1$

素因数の和:6823

約数の個数: 24

約数和(自身を含む): 27754866048

約数和(自身を除く): 8638975785

約数列:

[1, 3, 9, 223, 669, 2007, 2137, 4457, 6411, 13371, 19233, 40113, 476551, 993911, 1429653, 2981733, 4288959, 8945199, 9524609, 28573827, 85721481, 2123987807, 6371963421, 19115890263]

約数ペア:

[(1, 19115890263), (3, 6371963421), (9, 2123987807), (223, 85721481), (669, 28573827), (2007, 9524609), (2137, 8945199), (4457, 4288959), (6411, 2981733), (13371, 1429653), (19233, 993911), (40113, 476551)]