18915012

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4073}}^1$

素因数の和:4129

約数の個数: 48

約数和(自身を含む): 50191680

約数和(自身を除く): 31276668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4073, 4644, 8146, 12219, 16292, 24438, 36657, 48876, 73314, 109971, 146628, 175139, 219942, 350278, 439884, 525417, 700556, 1050834, 1576251, 2101668, 3152502, 4728753, 6305004, 9457506, 18915012]

約数ペア:

[(1, 18915012), (2, 9457506), (3, 6305004), (4, 4728753), (6, 3152502), (9, 2101668), (12, 1576251), (18, 1050834), (27, 700556), (36, 525417), (43, 439884), (54, 350278), (86, 219942), (108, 175139), (129, 146628), (172, 109971), (258, 73314), (387, 48876), (516, 36657), (774, 24438), (1161, 16292), (1548, 12219), (2322, 8146), (4073, 4644)]