20188998

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 45741696

約数和(自身を除く): 25552698

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 97, 186, 194, 279, 291, 373, 558, 582, 746, 873, 1119, 1746, 2238, 3007, 3357, 6014, 6714, 9021, 11563, 18042, 23126, 27063, 34689, 36181, 54126, 69378, 72362, 104067, 108543, 208134, 217086, 325629, 651258, 1121611, 2243222, 3364833, 6729666, 10094499, 20188998]

約数ペア:

[(1, 20188998), (2, 10094499), (3, 6729666), (6, 3364833), (9, 2243222), (18, 1121611), (31, 651258), (62, 325629), (93, 217086), (97, 208134), (186, 108543), (194, 104067), (279, 72362), (291, 69378), (373, 54126), (558, 36181), (582, 34689), (746, 27063), (873, 23126), (1119, 18042), (1746, 11563), (2238, 9021), (3007, 6714), (3357, 6014)]