919900998

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{6389}}^1$

素因数の和:6837

約数の個数: 48

約数和(自身を含む): 2103332400

約数和(自身を除く): 1183431402

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 421, 842, 1263, 2526, 3789, 6389, 7578, 7999, 12778, 15998, 19167, 23997, 38334, 47994, 57501, 71991, 115002, 121391, 143982, 242782, 364173, 728346, 1092519, 2185038, 2689769, 5379538, 8069307, 16138614, 24207921, 48415842, 51105611, 102211222, 153316833, 306633666, 459950499, 919900998]

約数ペア:

[(1, 919900998), (2, 459950499), (3, 306633666), (6, 153316833), (9, 102211222), (18, 51105611), (19, 48415842), (38, 24207921), (57, 16138614), (114, 8069307), (171, 5379538), (342, 2689769), (421, 2185038), (842, 1092519), (1263, 728346), (2526, 364173), (3789, 242782), (6389, 143982), (7578, 121391), (7999, 115002), (12778, 71991), (15998, 57501), (19167, 47994), (23997, 38334)]