19218488

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 18106312

約数列:

[1, 2, 4, 8, 47, 79, 94, 158, 188, 316, 376, 632, 647, 1294, 2588, 3713, 5176, 7426, 14852, 29704, 30409, 51113, 60818, 102226, 121636, 204452, 243272, 408904, 2402311, 4804622, 9609244, 19218488]

約数ペア:

[(1, 19218488), (2, 9609244), (4, 4804622), (8, 2402311), (47, 408904), (79, 243272), (94, 204452), (158, 121636), (188, 102226), (316, 60818), (376, 51113), (632, 30409), (647, 29704), (1294, 14852), (2588, 7426), (3713, 5176)]