18387816

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{20707}}^1$

素因数の和:20753

約数の個数: 32

約数和(自身を含む): 47214240

約数和(自身を除く): 28826424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 20707, 41414, 62121, 82828, 124242, 165656, 248484, 496968, 766159, 1532318, 2298477, 3064636, 4596954, 6129272, 9193908, 18387816]

約数ペア:

[(1, 18387816), (2, 9193908), (3, 6129272), (4, 4596954), (6, 3064636), (8, 2298477), (12, 1532318), (24, 766159), (37, 496968), (74, 248484), (111, 165656), (148, 124242), (222, 82828), (296, 62121), (444, 41414), (888, 20707)]