19682481

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4241}}^1$

素因数の和:4281

約数の個数: 32

約数和(自身を含む): 34207488

約数和(自身を除く): 14525007

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4241, 4641, 12723, 29687, 55133, 72097, 89061, 165399, 216291, 385931, 504679, 937261, 1157793, 1514037, 2811783, 6560827, 19682481]

約数ペア:

[(1, 19682481), (3, 6560827), (7, 2811783), (13, 1514037), (17, 1157793), (21, 937261), (39, 504679), (51, 385931), (91, 216291), (119, 165399), (221, 89061), (273, 72097), (357, 55133), (663, 29687), (1547, 12723), (4241, 4641)]