19900000042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{393919}}^1$

素因数の和:394030

約数の個数: 32

約数和(自身を含む): 33751065600

約数和(自身を除く): 13851065558

約数列:

[1, 2, 13, 26, 29, 58, 67, 134, 377, 754, 871, 1742, 1943, 3886, 25259, 50518, 393919, 787838, 5120947, 10241894, 11423651, 22847302, 26392573, 52785146, 148507463, 297014926, 343103449, 686206898, 765384617, 1530769234, 9950000021, 19900000042]

約数ペア:

[(1, 19900000042), (2, 9950000021), (13, 1530769234), (26, 765384617), (29, 686206898), (58, 343103449), (67, 297014926), (134, 148507463), (377, 52785146), (754, 26392573), (871, 22847302), (1742, 11423651), (1943, 10241894), (3886, 5120947), (25259, 787838), (50518, 393919)]