17913726

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 40030848

約数和(自身を除く): 22117122

約数列:

[1, 2, 3, 6, 9, 18, 71, 107, 131, 142, 213, 214, 262, 321, 393, 426, 639, 642, 786, 963, 1179, 1278, 1926, 2358, 7597, 9301, 14017, 15194, 18602, 22791, 27903, 28034, 42051, 45582, 55806, 68373, 83709, 84102, 126153, 136746, 167418, 252306, 995207, 1990414, 2985621, 5971242, 8956863, 17913726]

約数ペア:

[(1, 17913726), (2, 8956863), (3, 5971242), (6, 2985621), (9, 1990414), (18, 995207), (71, 252306), (107, 167418), (131, 136746), (142, 126153), (213, 84102), (214, 83709), (262, 68373), (321, 55806), (393, 45582), (426, 42051), (639, 28034), (642, 27903), (786, 22791), (963, 18602), (1179, 15194), (1278, 14017), (1926, 9301), (2358, 7597)]