19964204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{1013}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 37761360

約数和(自身を除く): 17797156

約数列:

[1, 2, 4, 13, 26, 52, 379, 758, 1013, 1516, 2026, 4052, 4927, 9854, 13169, 19708, 26338, 52676, 383927, 767854, 1535708, 4991051, 9982102, 19964204]

約数ペア:

[(1, 19964204), (2, 9982102), (4, 4991051), (13, 1535708), (26, 767854), (52, 383927), (379, 52676), (758, 26338), (1013, 19708), (1516, 13169), (2026, 9854), (4052, 4927)]