18280638

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{181}}^2$

素因数の和:401

約数の個数: 36

約数和(自身を含む): 41112864

約数和(自身を除く): 22832226

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 181, 186, 279, 362, 543, 558, 1086, 1629, 3258, 5611, 11222, 16833, 32761, 33666, 50499, 65522, 98283, 100998, 196566, 294849, 589698, 1015591, 2031182, 3046773, 6093546, 9140319, 18280638]

約数ペア:

[(1, 18280638), (2, 9140319), (3, 6093546), (6, 3046773), (9, 2031182), (18, 1015591), (31, 589698), (62, 294849), (93, 196566), (181, 100998), (186, 98283), (279, 65522), (362, 50499), (543, 33666), (558, 32761), (1086, 16833), (1629, 11222), (3258, 5611)]