19883960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21613}}^1$

素因数の和:21647

約数の個数: 32

約数和(自身を含む): 46686240

約数和(自身を除く): 26802280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21613, 43226, 86452, 108065, 172904, 216130, 432260, 497099, 864520, 994198, 1988396, 2485495, 3976792, 4970990, 9941980, 19883960]

約数ペア:

[(1, 19883960), (2, 9941980), (4, 4970990), (5, 3976792), (8, 2485495), (10, 1988396), (20, 994198), (23, 864520), (40, 497099), (46, 432260), (92, 216130), (115, 172904), (184, 108065), (230, 86452), (460, 43226), (920, 21613)]