19984041

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28837}}^1$

素因数の和:28861

約数の個数: 24

約数和(自身を含む): 35989824

約数和(自身を除く): 16005783

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28837, 86511, 201859, 259533, 317207, 605577, 951621, 1816731, 2220449, 2854863, 6661347, 19984041]

約数ペア:

[(1, 19984041), (3, 6661347), (7, 2854863), (9, 2220449), (11, 1816731), (21, 951621), (33, 605577), (63, 317207), (77, 259533), (99, 201859), (231, 86511), (693, 28837)]