17857494

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 39929760

約数和(自身を除く): 22072266

約数列:

[1, 2, 3, 6, 9, 18, 71, 89, 142, 157, 178, 213, 267, 314, 426, 471, 534, 639, 801, 942, 1278, 1413, 1602, 2826, 6319, 11147, 12638, 13973, 18957, 22294, 27946, 33441, 37914, 41919, 56871, 66882, 83838, 100323, 113742, 125757, 200646, 251514, 992083, 1984166, 2976249, 5952498, 8928747, 17857494]

約数ペア:

[(1, 17857494), (2, 8928747), (3, 5952498), (6, 2976249), (9, 1984166), (18, 992083), (71, 251514), (89, 200646), (142, 125757), (157, 113742), (178, 100323), (213, 83838), (267, 66882), (314, 56871), (426, 41919), (471, 37914), (534, 33441), (639, 27946), (801, 22294), (942, 18957), (1278, 13973), (1413, 12638), (1602, 11147), (2826, 6319)]