18762680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7001}}^1$

素因数の和:7079

約数の個数: 32

約数和(自身を含む): 42852240

約数和(自身を除く): 24089560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7001, 14002, 28004, 35005, 56008, 70010, 140020, 280040, 469067, 938134, 1876268, 2345335, 3752536, 4690670, 9381340, 18762680]

約数ペア:

[(1, 18762680), (2, 9381340), (4, 4690670), (5, 3752536), (8, 2345335), (10, 1876268), (20, 938134), (40, 469067), (67, 280040), (134, 140020), (268, 70010), (335, 56008), (536, 35005), (670, 28004), (1340, 14002), (2680, 7001)]