19585840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5209}}^1$

素因数の和:5269

約数の個数: 40

約数和(自身を含む): 46514880

約数和(自身を除く): 26929040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5209, 10418, 20836, 26045, 41672, 52090, 83344, 104180, 208360, 244823, 416720, 489646, 979292, 1224115, 1958584, 2448230, 3917168, 4896460, 9792920, 19585840]

約数ペア:

[(1, 19585840), (2, 9792920), (4, 4896460), (5, 3917168), (8, 2448230), (10, 1958584), (16, 1224115), (20, 979292), (40, 489646), (47, 416720), (80, 244823), (94, 208360), (188, 104180), (235, 83344), (376, 52090), (470, 41672), (752, 26045), (940, 20836), (1880, 10418), (3760, 5209)]