15291918

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:933

約数の個数: 48

約数和(自身を含む): 35418240

約数和(自身を除く): 20126322

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 774, 859, 989, 1718, 1978, 2577, 2967, 5154, 5934, 7731, 8901, 15462, 17802, 19757, 36937, 39514, 59271, 73874, 110811, 118542, 177813, 221622, 332433, 355626, 664866, 849551, 1699102, 2548653, 5097306, 7645959, 15291918]

約数ペア:

[(1, 15291918), (2, 7645959), (3, 5097306), (6, 2548653), (9, 1699102), (18, 849551), (23, 664866), (43, 355626), (46, 332433), (69, 221622), (86, 177813), (129, 118542), (138, 110811), (207, 73874), (258, 59271), (387, 39514), (414, 36937), (774, 19757), (859, 17802), (989, 15462), (1718, 8901), (1978, 7731), (2577, 5934), (2967, 5154)]