19842669

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 38176320

約数和(自身を除く): 18333651

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 121, 133, 137, 171, 209, 231, 363, 399, 411, 627, 693, 847, 959, 1089, 1197, 1233, 1463, 1507, 1881, 2299, 2541, 2603, 2877, 4389, 4521, 6897, 7623, 7809, 8631, 10549, 13167, 13563, 16093, 16577, 18221, 20691, 23427, 28633, 31647, 48279, 49731, 54663, 85899, 94941, 116039, 144837, 149193, 163989, 200431, 257697, 314963, 348117, 601293, 944889, 1044351, 1803879, 2204741, 2834667, 6614223, 19842669]

約数ペア:

[(1, 19842669), (3, 6614223), (7, 2834667), (9, 2204741), (11, 1803879), (19, 1044351), (21, 944889), (33, 601293), (57, 348117), (63, 314963), (77, 257697), (99, 200431), (121, 163989), (133, 149193), (137, 144837), (171, 116039), (209, 94941), (231, 85899), (363, 54663), (399, 49731), (411, 48279), (627, 31647), (693, 28633), (847, 23427), (959, 20691), (1089, 18221), (1197, 16577), (1233, 16093), (1463, 13563), (1507, 13167), (1881, 10549), (2299, 8631), (2541, 7809), (2603, 7623), (2877, 6897), (4389, 4521)]