18868770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6763}}^1$

素因数の和:6807

約数の個数: 48

約数和(自身を含む): 50648832

約数和(自身を除く): 31780062

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 6763, 13526, 20289, 33815, 40578, 60867, 67630, 101445, 121734, 202890, 209653, 304335, 419306, 608670, 628959, 1048265, 1257918, 1886877, 2096530, 3144795, 3773754, 6289590, 9434385, 18868770]

約数ペア:

[(1, 18868770), (2, 9434385), (3, 6289590), (5, 3773754), (6, 3144795), (9, 2096530), (10, 1886877), (15, 1257918), (18, 1048265), (30, 628959), (31, 608670), (45, 419306), (62, 304335), (90, 209653), (93, 202890), (155, 121734), (186, 101445), (279, 67630), (310, 60867), (465, 40578), (558, 33815), (930, 20289), (1395, 13526), (2790, 6763)]