18909394

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1402

約数の個数: 24

約数和(自身を含む): 33232140

約数和(自身を除く): 14322746

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 1229, 2198, 2458, 7693, 8603, 15386, 17206, 60221, 120442, 192953, 385906, 1350671, 2701342, 9454697, 18909394]

約数ペア:

[(1, 18909394), (2, 9454697), (7, 2701342), (14, 1350671), (49, 385906), (98, 192953), (157, 120442), (314, 60221), (1099, 17206), (1229, 15386), (2198, 8603), (2458, 7693)]