18501712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 38247552

約数和(自身を除く): 19745840

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 251, 271, 272, 502, 542, 1004, 1084, 2008, 2168, 4016, 4267, 4336, 4607, 8534, 9214, 17068, 18428, 34136, 36856, 68021, 68272, 73712, 136042, 272084, 544168, 1088336, 1156357, 2312714, 4625428, 9250856, 18501712]

約数ペア:

[(1, 18501712), (2, 9250856), (4, 4625428), (8, 2312714), (16, 1156357), (17, 1088336), (34, 544168), (68, 272084), (136, 136042), (251, 73712), (271, 68272), (272, 68021), (502, 36856), (542, 34136), (1004, 18428), (1084, 17068), (2008, 9214), (2168, 8534), (4016, 4607), (4267, 4336)]