18795260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2309}}^1$

素因数の和:2366

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 25445860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 2309, 4070, 4618, 8140, 9236, 11545, 23090, 25399, 46180, 50798, 85433, 101596, 126995, 170866, 253990, 341732, 427165, 507980, 854330, 939763, 1708660, 1879526, 3759052, 4698815, 9397630, 18795260]

約数ペア:

[(1, 18795260), (2, 9397630), (4, 4698815), (5, 3759052), (10, 1879526), (11, 1708660), (20, 939763), (22, 854330), (37, 507980), (44, 427165), (55, 341732), (74, 253990), (110, 170866), (148, 126995), (185, 101596), (220, 85433), (370, 50798), (407, 46180), (740, 25399), (814, 23090), (1628, 11545), (2035, 9236), (2309, 8140), (4070, 4618)]