18488200

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{953}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 43473780

約数和(自身を除く): 24985580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 953, 970, 1906, 1940, 2425, 3812, 3880, 4765, 4850, 7624, 9530, 9700, 19060, 19400, 23825, 38120, 47650, 92441, 95300, 184882, 190600, 369764, 462205, 739528, 924410, 1848820, 2311025, 3697640, 4622050, 9244100, 18488200]

約数ペア:

[(1, 18488200), (2, 9244100), (4, 4622050), (5, 3697640), (8, 2311025), (10, 1848820), (20, 924410), (25, 739528), (40, 462205), (50, 369764), (97, 190600), (100, 184882), (194, 95300), (200, 92441), (388, 47650), (485, 38120), (776, 23825), (953, 19400), (970, 19060), (1906, 9700), (1940, 9530), (2425, 7624), (3812, 4850), (3880, 4765)]