19957224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 57392640

約数和(自身を除く): 37435416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 211, 422, 563, 633, 844, 1126, 1266, 1477, 1688, 1689, 2252, 2532, 2954, 3378, 3941, 4431, 4504, 5064, 5908, 6756, 7882, 8862, 11816, 11823, 13512, 15764, 17724, 23646, 31528, 35448, 47292, 94584, 118793, 237586, 356379, 475172, 712758, 831551, 950344, 1425516, 1663102, 2494653, 2851032, 3326204, 4989306, 6652408, 9978612, 19957224]

約数ペア:

[(1, 19957224), (2, 9978612), (3, 6652408), (4, 4989306), (6, 3326204), (7, 2851032), (8, 2494653), (12, 1663102), (14, 1425516), (21, 950344), (24, 831551), (28, 712758), (42, 475172), (56, 356379), (84, 237586), (168, 118793), (211, 94584), (422, 47292), (563, 35448), (633, 31528), (844, 23646), (1126, 17724), (1266, 15764), (1477, 13512), (1688, 11823), (1689, 11816), (2252, 8862), (2532, 7882), (2954, 6756), (3378, 5908), (3941, 5064), (4431, 4504)]