18184240

素因数分解:

$2^4\times 5^1\times {\mathrm{227303}}^1$

素因数の和:227316

約数の個数: 20

約数和(自身を含む): 42278544

約数和(自身を除く): 24094304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227303, 454606, 909212, 1136515, 1818424, 2273030, 3636848, 4546060, 9092120, 18184240]

約数ペア:

[(1, 18184240), (2, 9092120), (4, 4546060), (5, 3636848), (8, 2273030), (10, 1818424), (16, 1136515), (20, 909212), (40, 454606), (80, 227303)]