18681436

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6389}}^1$

素因数の和:6453

約数の個数: 24

約数和(自身を含む): 35426160

約数和(自身を除く): 16744724

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 6389, 12778, 25556, 108613, 217226, 274727, 434452, 549454, 1098908, 4670359, 9340718, 18681436]

約数ペア:

[(1, 18681436), (2, 9340718), (4, 4670359), (17, 1098908), (34, 549454), (43, 434452), (68, 274727), (86, 217226), (172, 108613), (731, 25556), (1462, 12778), (2924, 6389)]