17985772

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 37416960

約数和(自身を除く): 19431188

約数列:

[1, 2, 4, 7, 14, 28, 47, 79, 94, 158, 173, 188, 316, 329, 346, 553, 658, 692, 1106, 1211, 1316, 2212, 2422, 3713, 4844, 7426, 8131, 13667, 14852, 16262, 25991, 27334, 32524, 51982, 54668, 56917, 95669, 103964, 113834, 191338, 227668, 382676, 642349, 1284698, 2569396, 4496443, 8992886, 17985772]

約数ペア:

[(1, 17985772), (2, 8992886), (4, 4496443), (7, 2569396), (14, 1284698), (28, 642349), (47, 382676), (79, 227668), (94, 191338), (158, 113834), (173, 103964), (188, 95669), (316, 56917), (329, 54668), (346, 51982), (553, 32524), (658, 27334), (692, 25991), (1106, 16262), (1211, 14852), (1316, 13667), (2212, 8131), (2422, 7426), (3713, 4844)]