18909634

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:402

約数の個数: 24

約数和(自身を含む): 30240252

約数和(自身を除く): 11330618

約数列:

[1, 2, 23, 46, 61, 122, 293, 529, 586, 1058, 1403, 2806, 6739, 13478, 17873, 32269, 35746, 64538, 154997, 309994, 411079, 822158, 9454817, 18909634]

約数ペア:

[(1, 18909634), (2, 9454817), (23, 822158), (46, 411079), (61, 309994), (122, 154997), (293, 64538), (529, 35746), (586, 32269), (1058, 17873), (1403, 13478), (2806, 6739)]