18031964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 33090288

約数和(自身を除く): 15058324

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2557, 3526, 5114, 7052, 10228, 104837, 109951, 209674, 219902, 419348, 439804, 4507991, 9015982, 18031964]

約数ペア:

[(1, 18031964), (2, 9015982), (4, 4507991), (41, 439804), (43, 419348), (82, 219902), (86, 209674), (164, 109951), (172, 104837), (1763, 10228), (2557, 7052), (3526, 5114)]