18420050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 37845792

約数和(自身を除く): 19425742

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 107, 110, 214, 275, 313, 535, 550, 626, 1070, 1177, 1565, 2354, 2675, 3130, 3443, 5350, 5885, 6886, 7825, 11770, 15650, 17215, 29425, 33491, 34430, 58850, 66982, 86075, 167455, 172150, 334910, 368401, 736802, 837275, 1674550, 1842005, 3684010, 9210025, 18420050]

約数ペア:

[(1, 18420050), (2, 9210025), (5, 3684010), (10, 1842005), (11, 1674550), (22, 837275), (25, 736802), (50, 368401), (55, 334910), (107, 172150), (110, 167455), (214, 86075), (275, 66982), (313, 58850), (535, 34430), (550, 33491), (626, 29425), (1070, 17215), (1177, 15650), (1565, 11770), (2354, 7825), (2675, 6886), (3130, 5885), (3443, 5350)]