18320356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{643}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 34080480

約数和(自身を除く): 15760124

約数列:

[1, 2, 4, 17, 34, 68, 419, 643, 838, 1286, 1676, 2572, 7123, 10931, 14246, 21862, 28492, 43724, 269417, 538834, 1077668, 4580089, 9160178, 18320356]

約数ペア:

[(1, 18320356), (2, 9160178), (4, 4580089), (17, 1077668), (34, 538834), (68, 269417), (419, 43724), (643, 28492), (838, 21862), (1286, 14246), (1676, 10931), (2572, 7123)]