17993960

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{751}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 40608000

約数和(自身を除く): 22614040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 751, 1198, 1502, 2396, 2995, 3004, 3755, 4792, 5990, 6008, 7510, 11980, 15020, 23960, 30040, 449849, 899698, 1799396, 2249245, 3598792, 4498490, 8996980, 17993960]

約数ペア:

[(1, 17993960), (2, 8996980), (4, 4498490), (5, 3598792), (8, 2249245), (10, 1799396), (20, 899698), (40, 449849), (599, 30040), (751, 23960), (1198, 15020), (1502, 11980), (2396, 7510), (2995, 6008), (3004, 5990), (3755, 4792)]