19639516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16421}}^1$

素因数の和:16461

約数の個数: 24

約数和(自身を含む): 38624544

約数和(自身を除く): 18985028

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 16421, 32842, 65684, 213473, 377683, 426946, 755366, 853892, 1510732, 4909879, 9819758, 19639516]

約数ペア:

[(1, 19639516), (2, 9819758), (4, 4909879), (13, 1510732), (23, 853892), (26, 755366), (46, 426946), (52, 377683), (92, 213473), (299, 65684), (598, 32842), (1196, 16421)]