18781512

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{4801}}^1$

素因数の和:4973

約数の個数: 32

約数和(自身を含む): 47251680

約数和(自身を除く): 28470168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 4801, 9602, 14403, 19204, 28806, 38408, 57612, 115224, 782563, 1565126, 2347689, 3130252, 4695378, 6260504, 9390756, 18781512]

約数ペア:

[(1, 18781512), (2, 9390756), (3, 6260504), (4, 4695378), (6, 3130252), (8, 2347689), (12, 1565126), (24, 782563), (163, 115224), (326, 57612), (489, 38408), (652, 28806), (978, 19204), (1304, 14403), (1956, 9602), (3912, 4801)]