15118420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7793}}^1$

素因数の和:7899

約数の個数: 24

約数和(自身を含む): 32080104

約数和(自身を除く): 16961684

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 7793, 15586, 31172, 38965, 77930, 155860, 755921, 1511842, 3023684, 3779605, 7559210, 15118420]

約数ペア:

[(1, 15118420), (2, 7559210), (4, 3779605), (5, 3023684), (10, 1511842), (20, 755921), (97, 155860), (194, 77930), (388, 38965), (485, 31172), (970, 15586), (1940, 7793)]