18644628

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 46480896

約数和(自身を除く): 27836268

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1571, 1978, 2967, 3142, 3956, 4713, 5934, 6284, 9426, 11868, 18852, 36133, 67553, 72266, 108399, 135106, 144532, 202659, 216798, 270212, 405318, 433596, 810636, 1553719, 3107438, 4661157, 6214876, 9322314, 18644628]

約数ペア:

[(1, 18644628), (2, 9322314), (3, 6214876), (4, 4661157), (6, 3107438), (12, 1553719), (23, 810636), (43, 433596), (46, 405318), (69, 270212), (86, 216798), (92, 202659), (129, 144532), (138, 135106), (172, 108399), (258, 72266), (276, 67553), (516, 36133), (989, 18852), (1571, 11868), (1978, 9426), (2967, 6284), (3142, 5934), (3956, 4713)]