18425260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3557}}^1$

素因数の和:3610

約数の個数: 48

約数和(自身を含む): 45428544

約数和(自身を除く): 27003284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3557, 5180, 7114, 14228, 17785, 24899, 35570, 49798, 71140, 99596, 124495, 131609, 248990, 263218, 497980, 526436, 658045, 921263, 1316090, 1842526, 2632180, 3685052, 4606315, 9212630, 18425260]

約数ペア:

[(1, 18425260), (2, 9212630), (4, 4606315), (5, 3685052), (7, 2632180), (10, 1842526), (14, 1316090), (20, 921263), (28, 658045), (35, 526436), (37, 497980), (70, 263218), (74, 248990), (140, 131609), (148, 124495), (185, 99596), (259, 71140), (370, 49798), (518, 35570), (740, 24899), (1036, 17785), (1295, 14228), (2590, 7114), (3557, 5180)]