18193156720120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4172742367}}^1$

素因数の和:4172742487

約数の個数: 32

約数和(自身を含む): 41310149443200

約数和(自身を除く): 23116992723080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 4172742367, 8345484734, 16690969468, 20863711835, 33381938936, 41727423670, 83454847340, 166909694680, 454828918003, 909657836006, 1819315672012, 2274144590015, 3638631344024, 4548289180030, 9096578360060, 18193156720120]

約数ペア:

[(1, 18193156720120), (2, 9096578360060), (4, 4548289180030), (5, 3638631344024), (8, 2274144590015), (10, 1819315672012), (20, 909657836006), (40, 454828918003), (109, 166909694680), (218, 83454847340), (436, 41727423670), (545, 33381938936), (872, 20863711835), (1090, 16690969468), (2180, 8345484734), (4360, 4172742367)]