18417040

素因数分解:

$2^4\times 5^1\times {\mathrm{230213}}^1$

素因数の和:230226

約数の個数: 20

約数和(自身を含む): 42819804

約数和(自身を除く): 24402764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230213, 460426, 920852, 1151065, 1841704, 2302130, 3683408, 4604260, 9208520, 18417040]

約数ペア:

[(1, 18417040), (2, 9208520), (4, 4604260), (5, 3683408), (8, 2302130), (10, 1841704), (16, 1151065), (20, 920852), (40, 460426), (80, 230213)]