18945479163

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{705053}}^1$

素因数の和:705135

約数の個数: 24

約数和(自身を含む): 27869374512

約数和(自身を除く): 8923895349

約数列:

[1, 3, 13, 39, 53, 159, 169, 507, 689, 2067, 8957, 26871, 705053, 2115159, 9165689, 27497067, 37367809, 112103427, 119153957, 357461871, 485781517, 1457344551, 6315159721, 18945479163]

約数ペア:

[(1, 18945479163), (3, 6315159721), (13, 1457344551), (39, 485781517), (53, 357461871), (159, 119153957), (169, 112103427), (507, 37367809), (689, 27497067), (2067, 9165689), (8957, 2115159), (26871, 705053)]