11917420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6143}}^1$

素因数の和:6249

約数の個数: 24

約数和(自身を含む): 25288704

約数和(自身を除く): 13371284

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 6143, 12286, 24572, 30715, 61430, 122860, 595871, 1191742, 2383484, 2979355, 5958710, 11917420]

約数ペア:

[(1, 11917420), (2, 5958710), (4, 2979355), (5, 2383484), (10, 1191742), (20, 595871), (97, 122860), (194, 61430), (388, 30715), (485, 24572), (970, 12286), (1940, 6143)]