18317360

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2267}}^1$

素因数の和:2381

約数の個数: 40

約数和(自身を含む): 43028496

約数和(自身を除く): 24711136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 2267, 4040, 4534, 8080, 9068, 11335, 18136, 22670, 36272, 45340, 90680, 181360, 228967, 457934, 915868, 1144835, 1831736, 2289670, 3663472, 4579340, 9158680, 18317360]

約数ペア:

[(1, 18317360), (2, 9158680), (4, 4579340), (5, 3663472), (8, 2289670), (10, 1831736), (16, 1144835), (20, 915868), (40, 457934), (80, 228967), (101, 181360), (202, 90680), (404, 45340), (505, 36272), (808, 22670), (1010, 18136), (1616, 11335), (2020, 9068), (2267, 8080), (4040, 4534)]