19740138

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{857}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 23503062

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 349, 698, 857, 1047, 1714, 2094, 2571, 3839, 5142, 7678, 9427, 11517, 18854, 23034, 28281, 56562, 299093, 598186, 897279, 1794558, 3290023, 6580046, 9870069, 19740138]

約数ペア:

[(1, 19740138), (2, 9870069), (3, 6580046), (6, 3290023), (11, 1794558), (22, 897279), (33, 598186), (66, 299093), (349, 56562), (698, 28281), (857, 23034), (1047, 18854), (1714, 11517), (2094, 9427), (2571, 7678), (3839, 5142)]