18285428

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3217}}^1$

素因数の和:3264

約数の個数: 36

約数和(自身を含む): 38519460

約数和(自身を除く): 20234032

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3217, 5684, 6434, 12868, 22519, 45038, 90076, 93293, 157633, 186586, 315266, 373172, 630532, 653051, 1306102, 2612204, 4571357, 9142714, 18285428]

約数ペア:

[(1, 18285428), (2, 9142714), (4, 4571357), (7, 2612204), (14, 1306102), (28, 653051), (29, 630532), (49, 373172), (58, 315266), (98, 186586), (116, 157633), (196, 93293), (203, 90076), (406, 45038), (812, 22519), (1421, 12868), (2842, 6434), (3217, 5684)]