19990104

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{3167}}^1$

素因数の和:3439

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 30191016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 3167, 6312, 6334, 9501, 12668, 19002, 25336, 38004, 76008, 832921, 1665842, 2498763, 3331684, 4997526, 6663368, 9995052, 19990104]

約数ペア:

[(1, 19990104), (2, 9995052), (3, 6663368), (4, 4997526), (6, 3331684), (8, 2498763), (12, 1665842), (24, 832921), (263, 76008), (526, 38004), (789, 25336), (1052, 19002), (1578, 12668), (2104, 9501), (3156, 6334), (3167, 6312)]