18975374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 32266080

約数和(自身を除く): 13290706

約数列:

[1, 2, 11, 22, 41, 82, 109, 193, 218, 386, 451, 902, 1199, 2123, 2398, 4246, 4469, 7913, 8938, 15826, 21037, 42074, 49159, 87043, 98318, 174086, 231407, 462814, 862517, 1725034, 9487687, 18975374]

約数ペア:

[(1, 18975374), (2, 9487687), (11, 1725034), (22, 862517), (41, 462814), (82, 231407), (109, 174086), (193, 98318), (218, 87043), (386, 49159), (451, 42074), (902, 21037), (1199, 15826), (2123, 8938), (2398, 7913), (4246, 4469)]