19009276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 20504324

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 167, 199, 286, 334, 398, 572, 668, 796, 1837, 2171, 2189, 2587, 3674, 4342, 4378, 5174, 7348, 8684, 8756, 10348, 23881, 28457, 33233, 47762, 56914, 66466, 95524, 113828, 132932, 365563, 432029, 731126, 864058, 1462252, 1728116, 4752319, 9504638, 19009276]

約数ペア:

[(1, 19009276), (2, 9504638), (4, 4752319), (11, 1728116), (13, 1462252), (22, 864058), (26, 731126), (44, 432029), (52, 365563), (143, 132932), (167, 113828), (199, 95524), (286, 66466), (334, 56914), (398, 47762), (572, 33233), (668, 28457), (796, 23881), (1837, 10348), (2171, 8756), (2189, 8684), (2587, 7348), (3674, 5174), (4342, 4378)]