18266440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14731}}^1$

素因数の和:14773

約数の個数: 32

約数和(自身を含む): 42428160

約数和(自身を除く): 24161720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 14731, 29462, 58924, 73655, 117848, 147310, 294620, 456661, 589240, 913322, 1826644, 2283305, 3653288, 4566610, 9133220, 18266440]

約数ペア:

[(1, 18266440), (2, 9133220), (4, 4566610), (5, 3653288), (8, 2283305), (10, 1826644), (20, 913322), (31, 589240), (40, 456661), (62, 294620), (124, 147310), (155, 117848), (248, 73655), (310, 58924), (620, 29462), (1240, 14731)]