18051700

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1972

約数の個数: 36

約数和(自身を含む): 39597292

約数和(自身を除く): 21545592

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1861, 1940, 2425, 3722, 4850, 7444, 9305, 9700, 18610, 37220, 46525, 93050, 180517, 186100, 361034, 722068, 902585, 1805170, 3610340, 4512925, 9025850, 18051700]

約数ペア:

[(1, 18051700), (2, 9025850), (4, 4512925), (5, 3610340), (10, 1805170), (20, 902585), (25, 722068), (50, 361034), (97, 186100), (100, 180517), (194, 93050), (388, 46525), (485, 37220), (970, 18610), (1861, 9700), (1940, 9305), (2425, 7444), (3722, 4850)]