19854756

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17791}}^1$

素因数の和:17832

約数の個数: 36

約数和(自身を含む): 51810304

約数和(自身を除く): 31955548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 17791, 35582, 53373, 71164, 106746, 160119, 213492, 320238, 551521, 640476, 1103042, 1654563, 2206084, 3309126, 4963689, 6618252, 9927378, 19854756]

約数ペア:

[(1, 19854756), (2, 9927378), (3, 6618252), (4, 4963689), (6, 3309126), (9, 2206084), (12, 1654563), (18, 1103042), (31, 640476), (36, 551521), (62, 320238), (93, 213492), (124, 160119), (186, 106746), (279, 71164), (372, 53373), (558, 35582), (1116, 17791)]