18345831

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28181}}^1$

素因数の和:28222

約数の個数: 16

約数和(自身を含む): 28858368

約数和(自身を除く): 10512537

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 28181, 84543, 197267, 591801, 873611, 2620833, 6115277, 18345831]

約数ペア:

[(1, 18345831), (3, 6115277), (7, 2620833), (21, 873611), (31, 591801), (93, 197267), (217, 84543), (651, 28181)]