19179980

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1601}}^1$

素因数の和:2209

約数の個数: 24

約数和(自身を含む): 40370400

約数和(自身を除く): 21190420

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 1601, 2396, 2995, 3202, 5990, 6404, 8005, 11980, 16010, 32020, 958999, 1917998, 3835996, 4794995, 9589990, 19179980]

約数ペア:

[(1, 19179980), (2, 9589990), (4, 4794995), (5, 3835996), (10, 1917998), (20, 958999), (599, 32020), (1198, 16010), (1601, 11980), (2396, 8005), (2995, 6404), (3202, 5990)]