18410540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10343}}^1$

素因数の和:10441

約数の個数: 24

約数和(自身を含む): 39100320

約数和(自身を除く): 20689780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 10343, 20686, 41372, 51715, 103430, 206860, 920527, 1841054, 3682108, 4602635, 9205270, 18410540]

約数ペア:

[(1, 18410540), (2, 9205270), (4, 4602635), (5, 3682108), (10, 1841054), (20, 920527), (89, 206860), (178, 103430), (356, 51715), (445, 41372), (890, 20686), (1780, 10343)]