18806193

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1249}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 31200000

約数和(自身を除く): 12393807

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1249, 1673, 2151, 3747, 5019, 8743, 11241, 15057, 26229, 78687, 298511, 895533, 2089577, 2686599, 6268731, 18806193]

約数ペア:

[(1, 18806193), (3, 6268731), (7, 2686599), (9, 2089577), (21, 895533), (63, 298511), (239, 78687), (717, 26229), (1249, 15057), (1673, 11241), (2151, 8743), (3747, 5019)]