18856100

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{977}}^1$

素因数の和:1184

約数の個数: 36

約数和(自身を含む): 41171844

約数和(自身を除く): 22315744

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 977, 1930, 1954, 3860, 3908, 4825, 4885, 9650, 9770, 19300, 19540, 24425, 48850, 97700, 188561, 377122, 754244, 942805, 1885610, 3771220, 4714025, 9428050, 18856100]

約数ペア:

[(1, 18856100), (2, 9428050), (4, 4714025), (5, 3771220), (10, 1885610), (20, 942805), (25, 754244), (50, 377122), (100, 188561), (193, 97700), (386, 48850), (772, 24425), (965, 19540), (977, 19300), (1930, 9770), (1954, 9650), (3860, 4885), (3908, 4825)]