18691608

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 32111592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 139, 156, 278, 312, 417, 431, 556, 834, 862, 1112, 1293, 1668, 1724, 1807, 2586, 3336, 3448, 3614, 5172, 5421, 5603, 7228, 10344, 10842, 11206, 14456, 16809, 21684, 22412, 33618, 43368, 44824, 59909, 67236, 119818, 134472, 179727, 239636, 359454, 479272, 718908, 778817, 1437816, 1557634, 2336451, 3115268, 4672902, 6230536, 9345804, 18691608]

約数ペア:

[(1, 18691608), (2, 9345804), (3, 6230536), (4, 4672902), (6, 3115268), (8, 2336451), (12, 1557634), (13, 1437816), (24, 778817), (26, 718908), (39, 479272), (52, 359454), (78, 239636), (104, 179727), (139, 134472), (156, 119818), (278, 67236), (312, 59909), (417, 44824), (431, 43368), (556, 33618), (834, 22412), (862, 21684), (1112, 16809), (1293, 14456), (1668, 11206), (1724, 10842), (1807, 10344), (2586, 7228), (3336, 5603), (3448, 5421), (3614, 5172)]