18968922

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{997}}^1$

素因数の和:1163

約数の個数: 48

約数和(自身を含む): 47329152

約数和(自身を除く): 28360230

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 151, 302, 453, 906, 997, 1057, 1359, 1994, 2114, 2718, 2991, 3171, 5982, 6342, 6979, 8973, 9513, 13958, 17946, 19026, 20937, 41874, 62811, 125622, 150547, 301094, 451641, 903282, 1053829, 1354923, 2107658, 2709846, 3161487, 6322974, 9484461, 18968922]

約数ペア:

[(1, 18968922), (2, 9484461), (3, 6322974), (6, 3161487), (7, 2709846), (9, 2107658), (14, 1354923), (18, 1053829), (21, 903282), (42, 451641), (63, 301094), (126, 150547), (151, 125622), (302, 62811), (453, 41874), (906, 20937), (997, 19026), (1057, 17946), (1359, 13958), (1994, 9513), (2114, 8973), (2718, 6979), (2991, 6342), (3171, 5982)]