19849665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2039}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 15401535

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 295, 649, 885, 1947, 2039, 3245, 6117, 9735, 10195, 22429, 30585, 67287, 112145, 120301, 336435, 360903, 601505, 1323311, 1804515, 3969933, 6616555, 19849665]

約数ペア:

[(1, 19849665), (3, 6616555), (5, 3969933), (11, 1804515), (15, 1323311), (33, 601505), (55, 360903), (59, 336435), (165, 120301), (177, 112145), (295, 67287), (649, 30585), (885, 22429), (1947, 10195), (2039, 9735), (3245, 6117)]