18353937

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21317}}^1$

素因数の和:21368

約数の個数: 16

約数和(自身を含む): 28651392

約数和(自身を除く): 10297455

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21317, 63951, 149219, 447657, 873997, 2621991, 6117979, 18353937]

約数ペア:

[(1, 18353937), (3, 6117979), (7, 2621991), (21, 873997), (41, 447657), (123, 149219), (287, 63951), (861, 21317)]