19916198

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2311}}^1$

素因数の和:2483

約数の個数: 16

約数和(自身を含む): 31073280

約数和(自身を除く): 11157082

約数列:

[1, 2, 31, 62, 139, 278, 2311, 4309, 4622, 8618, 71641, 143282, 321229, 642458, 9958099, 19916198]

約数ペア:

[(1, 19916198), (2, 9958099), (31, 642458), (62, 321229), (139, 143282), (278, 71641), (2311, 8618), (4309, 4622)]