19995576

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 51628320

約数和(自身を除く): 31632744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 101, 113, 146, 202, 219, 226, 292, 303, 339, 404, 438, 452, 584, 606, 678, 808, 876, 904, 1212, 1356, 1752, 2424, 2712, 7373, 8249, 11413, 14746, 16498, 22119, 22826, 24747, 29492, 32996, 34239, 44238, 45652, 49494, 58984, 65992, 68478, 88476, 91304, 98988, 136956, 176952, 197976, 273912, 833149, 1666298, 2499447, 3332596, 4998894, 6665192, 9997788, 19995576]

約数ペア:

[(1, 19995576), (2, 9997788), (3, 6665192), (4, 4998894), (6, 3332596), (8, 2499447), (12, 1666298), (24, 833149), (73, 273912), (101, 197976), (113, 176952), (146, 136956), (202, 98988), (219, 91304), (226, 88476), (292, 68478), (303, 65992), (339, 58984), (404, 49494), (438, 45652), (452, 44238), (584, 34239), (606, 32996), (678, 29492), (808, 24747), (876, 22826), (904, 22119), (1212, 16498), (1356, 14746), (1752, 11413), (2424, 8249), (2712, 7373)]