18447568

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2213}}^1$

素因数の和:2742

約数の個数: 20

約数和(自身を含む): 35826948

約数和(自身を除く): 17379380

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2213, 4168, 4426, 8336, 8852, 17704, 35408, 1152973, 2305946, 4611892, 9223784, 18447568]

約数ペア:

[(1, 18447568), (2, 9223784), (4, 4611892), (8, 2305946), (16, 1152973), (521, 35408), (1042, 17704), (2084, 8852), (2213, 8336), (4168, 4426)]