18849854

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:851

約数の個数: 16

約数和(自身を含む): 28885056

約数和(自身を除く): 10035202

約数列:

[1, 2, 61, 122, 367, 421, 734, 842, 22387, 25681, 44774, 51362, 154507, 309014, 9424927, 18849854]

約数ペア:

[(1, 18849854), (2, 9424927), (61, 309014), (122, 154507), (367, 51362), (421, 44774), (734, 25681), (842, 22387)]