18120193

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1151}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 22450176

約数和(自身を除く): 4329983

約数列:

[1, 7, 13, 91, 173, 1151, 1211, 2249, 8057, 14963, 15743, 104741, 199123, 1393861, 2588599, 18120193]

約数ペア:

[(1, 18120193), (7, 2588599), (13, 1393861), (91, 199123), (173, 104741), (1151, 15743), (1211, 14963), (2249, 8057)]