19744894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 32969664

約数和(自身を除く): 13224770

約数列:

[1, 2, 13, 26, 73, 101, 103, 146, 202, 206, 949, 1313, 1339, 1898, 2626, 2678, 7373, 7519, 10403, 14746, 15038, 20806, 95849, 97747, 135239, 191698, 195494, 270478, 759419, 1518838, 9872447, 19744894]

約数ペア:

[(1, 19744894), (2, 9872447), (13, 1518838), (26, 759419), (73, 270478), (101, 195494), (103, 191698), (146, 135239), (202, 97747), (206, 95849), (949, 20806), (1313, 15038), (1339, 14746), (1898, 10403), (2626, 7519), (2678, 7373)]