19825551

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 29568240

約数和(自身を除く): 9742689

約数列:

[1, 3, 9, 53, 89, 159, 267, 467, 477, 801, 1401, 4203, 4717, 14151, 24751, 41563, 42453, 74253, 124689, 222759, 374067, 2202839, 6608517, 19825551]

約数ペア:

[(1, 19825551), (3, 6608517), (9, 2202839), (53, 374067), (89, 222759), (159, 124689), (267, 74253), (467, 42453), (477, 41563), (801, 24751), (1401, 14151), (4203, 4717)]