18742570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 42653952

約数和(自身を除く): 23911382

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 101, 110, 154, 202, 241, 385, 482, 505, 707, 770, 1010, 1111, 1205, 1414, 1687, 2222, 2410, 2651, 3374, 3535, 5302, 5555, 7070, 7777, 8435, 11110, 13255, 15554, 16870, 18557, 24341, 26510, 37114, 38885, 48682, 77770, 92785, 121705, 170387, 185570, 243410, 267751, 340774, 535502, 851935, 1338755, 1703870, 1874257, 2677510, 3748514, 9371285, 18742570]

約数ペア:

[(1, 18742570), (2, 9371285), (5, 3748514), (7, 2677510), (10, 1874257), (11, 1703870), (14, 1338755), (22, 851935), (35, 535502), (55, 340774), (70, 267751), (77, 243410), (101, 185570), (110, 170387), (154, 121705), (202, 92785), (241, 77770), (385, 48682), (482, 38885), (505, 37114), (707, 26510), (770, 24341), (1010, 18557), (1111, 16870), (1205, 15554), (1414, 13255), (1687, 11110), (2222, 8435), (2410, 7777), (2651, 7070), (3374, 5555), (3535, 5302)]