19500726

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3491}}^1$

素因数の和:3529

約数の個数: 48

約数和(自身を含む): 47770560

約数和(自身を除く): 28269834

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3491, 5586, 6982, 10473, 20946, 24437, 48874, 66329, 73311, 132658, 146622, 171059, 198987, 342118, 397974, 464303, 513177, 928606, 1026354, 1392909, 2785818, 3250121, 6500242, 9750363, 19500726]

約数ペア:

[(1, 19500726), (2, 9750363), (3, 6500242), (6, 3250121), (7, 2785818), (14, 1392909), (19, 1026354), (21, 928606), (38, 513177), (42, 464303), (49, 397974), (57, 342118), (98, 198987), (114, 171059), (133, 146622), (147, 132658), (266, 73311), (294, 66329), (399, 48874), (798, 24437), (931, 20946), (1862, 10473), (2793, 6982), (3491, 5586)]