18786801

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 29191680

約数和(自身を除く): 10404879

約数列:

[1, 3, 11, 19, 33, 57, 83, 209, 249, 361, 627, 913, 1083, 1577, 2739, 3971, 4731, 6859, 11913, 17347, 20577, 29963, 52041, 75449, 89889, 226347, 329593, 569297, 988779, 1707891, 6262267, 18786801]

約数ペア:

[(1, 18786801), (3, 6262267), (11, 1707891), (19, 988779), (33, 569297), (57, 329593), (83, 226347), (209, 89889), (249, 75449), (361, 52041), (627, 29963), (913, 20577), (1083, 17347), (1577, 11913), (2739, 6859), (3971, 4731)]