18340605

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1129}}^1$

素因数の和:1178

約数の個数: 36

約数和(自身を含む): 33581340

約数和(自身を除く): 15240735

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 855, 1083, 1129, 1805, 3249, 3387, 5415, 5645, 10161, 16245, 16935, 21451, 50805, 64353, 107255, 193059, 321765, 407569, 965295, 1222707, 2037845, 3668121, 6113535, 18340605]

約数ペア:

[(1, 18340605), (3, 6113535), (5, 3668121), (9, 2037845), (15, 1222707), (19, 965295), (45, 407569), (57, 321765), (95, 193059), (171, 107255), (285, 64353), (361, 50805), (855, 21451), (1083, 16935), (1129, 16245), (1805, 10161), (3249, 5645), (3387, 5415)]