19475860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20719}}^1$

素因数の和:20775

約数の個数: 24

約数和(自身を含む): 41771520

約数和(自身を除く): 22295660

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20719, 41438, 82876, 103595, 207190, 414380, 973793, 1947586, 3895172, 4868965, 9737930, 19475860]

約数ペア:

[(1, 19475860), (2, 9737930), (4, 4868965), (5, 3895172), (10, 1947586), (20, 973793), (47, 414380), (94, 207190), (188, 103595), (235, 82876), (470, 41438), (940, 20719)]