19712655

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4253}}^1$

素因数の和:4367

約数の個数: 24

約数和(自身を含む): 34508448

約数和(自身を除く): 14795793

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4253, 4635, 12759, 21265, 38277, 63795, 191385, 438059, 1314177, 2190295, 3942531, 6570885, 19712655]

約数ペア:

[(1, 19712655), (3, 6570885), (5, 3942531), (9, 2190295), (15, 1314177), (45, 438059), (103, 191385), (309, 63795), (515, 38277), (927, 21265), (1545, 12759), (4253, 4635)]