19652768

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 20626912

約数列:

[1, 2, 4, 8, 16, 32, 47, 73, 94, 146, 179, 188, 292, 358, 376, 584, 716, 752, 1168, 1432, 1504, 2336, 2864, 3431, 5728, 6862, 8413, 13067, 13724, 16826, 26134, 27448, 33652, 52268, 54896, 67304, 104536, 109792, 134608, 209072, 269216, 418144, 614149, 1228298, 2456596, 4913192, 9826384, 19652768]

約数ペア:

[(1, 19652768), (2, 9826384), (4, 4913192), (8, 2456596), (16, 1228298), (32, 614149), (47, 418144), (73, 269216), (94, 209072), (146, 134608), (179, 109792), (188, 104536), (292, 67304), (358, 54896), (376, 52268), (584, 33652), (716, 27448), (752, 26134), (1168, 16826), (1432, 13724), (1504, 13067), (2336, 8413), (2864, 6862), (3431, 5728)]