19838078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 33503232

約数和(自身を除く): 13665154

約数列:

[1, 2, 13, 26, 31, 62, 151, 163, 302, 326, 403, 806, 1963, 2119, 3926, 4238, 4681, 5053, 9362, 10106, 24613, 49226, 60853, 65689, 121706, 131378, 319969, 639938, 763003, 1526006, 9919039, 19838078]

約数ペア:

[(1, 19838078), (2, 9919039), (13, 1526006), (26, 763003), (31, 639938), (62, 319969), (151, 131378), (163, 121706), (302, 65689), (326, 60853), (403, 49226), (806, 24613), (1963, 10106), (2119, 9362), (3926, 5053), (4238, 4681)]