19741779

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 31872000

約数和(自身を除く): 12130221

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1327, 1653, 3981, 4959, 11943, 14877, 25213, 35829, 38483, 75639, 115449, 226917, 346347, 680751, 731177, 1039041, 2193531, 6580593, 19741779]

約数ペア:

[(1, 19741779), (3, 6580593), (9, 2193531), (19, 1039041), (27, 731177), (29, 680751), (57, 346347), (87, 226917), (171, 115449), (261, 75639), (513, 38483), (551, 35829), (783, 25213), (1327, 14877), (1653, 11943), (3981, 4959)]