18147316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 18164876

約数列:

[1, 2, 4, 11, 22, 37, 44, 71, 74, 142, 148, 157, 284, 314, 407, 628, 781, 814, 1562, 1628, 1727, 2627, 3124, 3454, 5254, 5809, 6908, 10508, 11147, 11618, 22294, 23236, 28897, 44588, 57794, 63899, 115588, 122617, 127798, 245234, 255596, 412439, 490468, 824878, 1649756, 4536829, 9073658, 18147316]

約数ペア:

[(1, 18147316), (2, 9073658), (4, 4536829), (11, 1649756), (22, 824878), (37, 490468), (44, 412439), (71, 255596), (74, 245234), (142, 127798), (148, 122617), (157, 115588), (284, 63899), (314, 57794), (407, 44588), (628, 28897), (781, 23236), (814, 22294), (1562, 11618), (1628, 11147), (1727, 10508), (2627, 6908), (3124, 5809), (3454, 5254)]