19677798

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2647}}^1$

素因数の和:2721

約数の個数: 48

約数和(自身を含む): 49570560

約数和(自身を除く): 29892762

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 59, 63, 118, 126, 177, 354, 413, 531, 826, 1062, 1239, 2478, 2647, 3717, 5294, 7434, 7941, 15882, 18529, 23823, 37058, 47646, 55587, 111174, 156173, 166761, 312346, 333522, 468519, 937038, 1093211, 1405557, 2186422, 2811114, 3279633, 6559266, 9838899, 19677798]

約数ペア:

[(1, 19677798), (2, 9838899), (3, 6559266), (6, 3279633), (7, 2811114), (9, 2186422), (14, 1405557), (18, 1093211), (21, 937038), (42, 468519), (59, 333522), (63, 312346), (118, 166761), (126, 156173), (177, 111174), (354, 55587), (413, 47646), (531, 37058), (826, 23823), (1062, 18529), (1239, 15882), (2478, 7941), (2647, 7434), (3717, 5294)]