18618328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{122489}}^1$

素因数の和:122514

約数の個数: 16

約数和(自身を含む): 36747000

約数和(自身を除く): 18128672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 122489, 244978, 489956, 979912, 2327291, 4654582, 9309164, 18618328]

約数ペア:

[(1, 18618328), (2, 9309164), (4, 4654582), (8, 2327291), (19, 979912), (38, 489956), (76, 244978), (152, 122489)]