18511856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{983}}^1$

素因数の和:1109

約数の個数: 40

約数和(自身を含む): 39533184

約数和(自身を除く): 21021328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 983, 1177, 1712, 1966, 2354, 3932, 4708, 7864, 9416, 10813, 15728, 18832, 21626, 43252, 86504, 105181, 173008, 210362, 420724, 841448, 1156991, 1682896, 2313982, 4627964, 9255928, 18511856]

約数ペア:

[(1, 18511856), (2, 9255928), (4, 4627964), (8, 2313982), (11, 1682896), (16, 1156991), (22, 841448), (44, 420724), (88, 210362), (107, 173008), (176, 105181), (214, 86504), (428, 43252), (856, 21626), (983, 18832), (1177, 15728), (1712, 10813), (1966, 9416), (2354, 7864), (3932, 4708)]