18804519974

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{23509}}^1$

素因数の和:23756

約数の個数: 32

約数和(自身を含む): 29493953280

約数和(自身を除く): 10689433306

約数列:

[1, 2, 43, 71, 86, 131, 142, 262, 3053, 5633, 6106, 9301, 11266, 18602, 23509, 47018, 399943, 799886, 1010887, 1669139, 2021774, 3079679, 3338278, 6159358, 71772977, 132426197, 143545954, 218657209, 264852394, 437314418, 9402259987, 18804519974]

約数ペア:

[(1, 18804519974), (2, 9402259987), (43, 437314418), (71, 264852394), (86, 218657209), (131, 143545954), (142, 132426197), (262, 71772977), (3053, 6159358), (5633, 3338278), (6106, 3079679), (9301, 2021774), (11266, 1669139), (18602, 1010887), (23509, 799886), (47018, 399943)]