18604240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10111}}^1$

素因数の和:10147

約数の個数: 40

約数和(自身を含む): 45139968

約数和(自身を除く): 26535728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10111, 20222, 40444, 50555, 80888, 101110, 161776, 202220, 232553, 404440, 465106, 808880, 930212, 1162765, 1860424, 2325530, 3720848, 4651060, 9302120, 18604240]

約数ペア:

[(1, 18604240), (2, 9302120), (4, 4651060), (5, 3720848), (8, 2325530), (10, 1860424), (16, 1162765), (20, 930212), (23, 808880), (40, 465106), (46, 404440), (80, 232553), (92, 202220), (115, 161776), (184, 101110), (230, 80888), (368, 50555), (460, 40444), (920, 20222), (1840, 10111)]