19104560

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5081}}^1$

素因数の和:5141

約数の個数: 40

約数和(自身を含む): 45372096

約数和(自身を除く): 26267536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5081, 10162, 20324, 25405, 40648, 50810, 81296, 101620, 203240, 238807, 406480, 477614, 955228, 1194035, 1910456, 2388070, 3820912, 4776140, 9552280, 19104560]

約数ペア:

[(1, 19104560), (2, 9552280), (4, 4776140), (5, 3820912), (8, 2388070), (10, 1910456), (16, 1194035), (20, 955228), (40, 477614), (47, 406480), (80, 238807), (94, 203240), (188, 101620), (235, 81296), (376, 50810), (470, 40648), (752, 25405), (940, 20324), (1880, 10162), (3760, 5081)]