18379540

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4013}}^1$

素因数の和:4251

約数の個数: 24

約数和(自身を含む): 38775240

約数和(自身を除く): 20395700

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4013, 4580, 8026, 16052, 20065, 40130, 80260, 918977, 1837954, 3675908, 4594885, 9189770, 18379540]

約数ペア:

[(1, 18379540), (2, 9189770), (4, 4594885), (5, 3675908), (10, 1837954), (20, 918977), (229, 80260), (458, 40130), (916, 20065), (1145, 16052), (2290, 8026), (4013, 4580)]