18587020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11197}}^1$

素因数の和:11289

約数の個数: 24

約数和(自身を含む): 39506544

約数和(自身を除く): 20919524

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11197, 22394, 44788, 55985, 111970, 223940, 929351, 1858702, 3717404, 4646755, 9293510, 18587020]

約数ペア:

[(1, 18587020), (2, 9293510), (4, 4646755), (5, 3717404), (10, 1858702), (20, 929351), (83, 223940), (166, 111970), (332, 55985), (415, 44788), (830, 22394), (1660, 11197)]