19668584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 39900000

約数和(自身を除く): 20231416

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 379, 499, 758, 998, 1516, 1996, 3032, 3992, 4927, 6487, 9854, 12974, 19708, 25948, 39416, 51896, 189121, 378242, 756484, 1512968, 2458573, 4917146, 9834292, 19668584]

約数ペア:

[(1, 19668584), (2, 9834292), (4, 4917146), (8, 2458573), (13, 1512968), (26, 756484), (52, 378242), (104, 189121), (379, 51896), (499, 39416), (758, 25948), (998, 19708), (1516, 12974), (1996, 9854), (3032, 6487), (3992, 4927)]