18711384

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{12781}}^1$

素因数の和:12851

約数の個数: 32

約数和(自身を含む): 47549040

約数和(自身を除く): 28837656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 12781, 25562, 38343, 51124, 76686, 102248, 153372, 306744, 779641, 1559282, 2338923, 3118564, 4677846, 6237128, 9355692, 18711384]

約数ペア:

[(1, 18711384), (2, 9355692), (3, 6237128), (4, 4677846), (6, 3118564), (8, 2338923), (12, 1559282), (24, 779641), (61, 306744), (122, 153372), (183, 102248), (244, 76686), (366, 51124), (488, 38343), (732, 25562), (1464, 12781)]