18665020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2293}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 43934688

約数和(自身を除く): 25269668

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, 2293, 4070, 4586, 8140, 9172, 11465, 22930, 25223, 45860, 50446, 84841, 100892, 126115, 169682, 252230, 339364, 424205, 504460, 848410, 933251, 1696820, 1866502, 3733004, 4666255, 9332510, 18665020]

約数ペア:

[(1, 18665020), (2, 9332510), (4, 4666255), (5, 3733004), (10, 1866502), (11, 1696820), (20, 933251), (22, 848410), (37, 504460), (44, 424205), (55, 339364), (74, 252230), (110, 169682), (148, 126115), (185, 100892), (220, 84841), (370, 50446), (407, 45860), (740, 25223), (814, 22930), (1628, 11465), (2035, 9172), (2293, 8140), (4070, 4586)]