19979469

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3769}}^1$

素因数の和:3825

約数の個数: 24

約数和(自身を含む): 31366400

約数和(自身を除く): 11386931

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3769, 5301, 11307, 33921, 71611, 116839, 214833, 350517, 644499, 1051551, 2219941, 6659823, 19979469]

約数ペア:

[(1, 19979469), (3, 6659823), (9, 2219941), (19, 1051551), (31, 644499), (57, 350517), (93, 214833), (171, 116839), (279, 71611), (589, 33921), (1767, 11307), (3769, 5301)]