19254284

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11273}}^1$

素因数の和:11345

約数の個数: 24

約数和(自身を含む): 39143328

約数和(自身を除く): 19889044

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11273, 22546, 45092, 78911, 157822, 315644, 687653, 1375306, 2750612, 4813571, 9627142, 19254284]

約数ペア:

[(1, 19254284), (2, 9627142), (4, 4813571), (7, 2750612), (14, 1375306), (28, 687653), (61, 315644), (122, 157822), (244, 78911), (427, 45092), (854, 22546), (1708, 11273)]