18316900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 45997056

約数和(自身を除く): 27680156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 137, 140, 175, 191, 274, 350, 382, 548, 685, 700, 764, 955, 959, 1337, 1370, 1910, 1918, 2674, 2740, 3425, 3820, 3836, 4775, 4795, 5348, 6685, 6850, 9550, 9590, 13370, 13700, 19100, 19180, 23975, 26167, 26740, 33425, 47950, 52334, 66850, 95900, 104668, 130835, 133700, 183169, 261670, 366338, 523340, 654175, 732676, 915845, 1308350, 1831690, 2616700, 3663380, 4579225, 9158450, 18316900]

約数ペア:

[(1, 18316900), (2, 9158450), (4, 4579225), (5, 3663380), (7, 2616700), (10, 1831690), (14, 1308350), (20, 915845), (25, 732676), (28, 654175), (35, 523340), (50, 366338), (70, 261670), (100, 183169), (137, 133700), (140, 130835), (175, 104668), (191, 95900), (274, 66850), (350, 52334), (382, 47950), (548, 33425), (685, 26740), (700, 26167), (764, 23975), (955, 19180), (959, 19100), (1337, 13700), (1370, 13370), (1910, 9590), (1918, 9550), (2674, 6850), (2740, 6685), (3425, 5348), (3820, 4795), (3836, 4775)]