20183914

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1297}}^1$

素因数の和:1581

約数の個数: 16

約数和(自身を含む): 31401216

約数和(自身を除く): 11217302

約数列:

[1, 2, 31, 62, 251, 502, 1297, 2594, 7781, 15562, 40207, 80414, 325547, 651094, 10091957, 20183914]

約数ペア:

[(1, 20183914), (2, 10091957), (31, 651094), (62, 325547), (251, 80414), (502, 40207), (1297, 15562), (2594, 7781)]