18778490

素因数分解:

$2^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4903}}^1$

素因数の和:5293

約数の個数: 16

約数和(自身を含む): 33896448

約数和(自身を除く): 15117958

約数列:

[1, 2, 5, 10, 383, 766, 1915, 3830, 4903, 9806, 24515, 49030, 1877849, 3755698, 9389245, 18778490]

約数ペア:

[(1, 18778490), (2, 9389245), (5, 3755698), (10, 1877849), (383, 49030), (766, 24515), (1915, 9806), (3830, 4903)]