17997538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4409}}^1$

素因数の和:4581

約数の個数: 16

約数和(自身を含む): 29264760

約数和(自身を除く): 11267222

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 4409, 8818, 57317, 114634, 692213, 1384426, 8998769, 17997538]

約数ペア:

[(1, 17997538), (2, 8998769), (13, 1384426), (26, 692213), (157, 114634), (314, 57317), (2041, 8818), (4082, 4409)]