17874818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 30627072

約数和(自身を除く): 12752254

約数列:

[1, 2, 13, 23, 26, 46, 71, 142, 299, 421, 598, 842, 923, 1633, 1846, 3266, 5473, 9683, 10946, 19366, 21229, 29891, 42458, 59782, 125879, 251758, 388583, 687493, 777166, 1374986, 8937409, 17874818]

約数ペア:

[(1, 17874818), (2, 8937409), (13, 1374986), (23, 777166), (26, 687493), (46, 388583), (71, 251758), (142, 125879), (299, 59782), (421, 42458), (598, 29891), (842, 21229), (923, 19366), (1633, 10946), (1846, 9683), (3266, 5473)]