18730700

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1931}}^1$

素因数の和:2042

約数の個数: 36

約数和(自身を含む): 41085912

約数和(自身を除く): 22355212

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1931, 1940, 2425, 3862, 4850, 7724, 9655, 9700, 19310, 38620, 48275, 96550, 187307, 193100, 374614, 749228, 936535, 1873070, 3746140, 4682675, 9365350, 18730700]

約数ペア:

[(1, 18730700), (2, 9365350), (4, 4682675), (5, 3746140), (10, 1873070), (20, 936535), (25, 749228), (50, 374614), (97, 193100), (100, 187307), (194, 96550), (388, 48275), (485, 38620), (970, 19310), (1931, 9700), (1940, 9655), (2425, 7724), (3862, 4850)]