19687876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19927}}^1$

素因数の和:19963

約数の個数: 24

約数和(自身を含む): 39058880

約数和(自身を除く): 19371004

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 19927, 39854, 79708, 259051, 378613, 518102, 757226, 1036204, 1514452, 4921969, 9843938, 19687876]

約数ペア:

[(1, 19687876), (2, 9843938), (4, 4921969), (13, 1514452), (19, 1036204), (26, 757226), (38, 518102), (52, 378613), (76, 259051), (247, 79708), (494, 39854), (988, 19927)]