18497900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1907}}^1$

素因数の和:2018

約数の個数: 36

約数和(自身を含む): 40575528

約数和(自身を除く): 22077628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1907, 1940, 2425, 3814, 4850, 7628, 9535, 9700, 19070, 38140, 47675, 95350, 184979, 190700, 369958, 739916, 924895, 1849790, 3699580, 4624475, 9248950, 18497900]

約数ペア:

[(1, 18497900), (2, 9248950), (4, 4624475), (5, 3699580), (10, 1849790), (20, 924895), (25, 739916), (50, 369958), (97, 190700), (100, 184979), (194, 95350), (388, 47675), (485, 38140), (970, 19070), (1907, 9700), (1940, 9535), (2425, 7628), (3814, 4850)]