18809780451

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{255259}}^1$

素因数の和:255320

約数の個数: 48

約数和(自身を含む): 32591596800

約数和(自身を除く): 13781816349

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 121, 203, 231, 319, 363, 609, 847, 957, 2233, 2541, 3509, 6699, 10527, 24563, 73689, 255259, 765777, 1786813, 2807849, 5360439, 7402511, 8423547, 19654943, 22207533, 30886339, 51817577, 58964829, 81427621, 92659017, 155452731, 216204373, 244282863, 569993347, 648613119, 895703831, 1709980041, 2687111493, 6269926817, 18809780451]

約数ペア:

[(1, 18809780451), (3, 6269926817), (7, 2687111493), (11, 1709980041), (21, 895703831), (29, 648613119), (33, 569993347), (77, 244282863), (87, 216204373), (121, 155452731), (203, 92659017), (231, 81427621), (319, 58964829), (363, 51817577), (609, 30886339), (847, 22207533), (957, 19654943), (2233, 8423547), (2541, 7402511), (3509, 5360439), (6699, 2807849), (10527, 1786813), (24563, 765777), (73689, 255259)]