19946868

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 48142080

約数和(自身を除く): 28195212

約数列:

[1, 2, 3, 4, 6, 12, 53, 79, 106, 158, 159, 212, 237, 316, 318, 397, 474, 636, 794, 948, 1191, 1588, 2382, 4187, 4764, 8374, 12561, 16748, 21041, 25122, 31363, 42082, 50244, 62726, 63123, 84164, 94089, 125452, 126246, 188178, 252492, 376356, 1662239, 3324478, 4986717, 6648956, 9973434, 19946868]

約数ペア:

[(1, 19946868), (2, 9973434), (3, 6648956), (4, 4986717), (6, 3324478), (12, 1662239), (53, 376356), (79, 252492), (106, 188178), (158, 126246), (159, 125452), (212, 94089), (237, 84164), (316, 63123), (318, 62726), (397, 50244), (474, 42082), (636, 31363), (794, 25122), (948, 21041), (1191, 16748), (1588, 12561), (2382, 8374), (4187, 4764)]