18139624

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 34965000

約数和(自身を除く): 16825376

約数列:

[1, 2, 4, 8, 73, 89, 146, 178, 292, 349, 356, 584, 698, 712, 1396, 2792, 6497, 12994, 25477, 25988, 31061, 50954, 51976, 62122, 101908, 124244, 203816, 248488, 2267453, 4534906, 9069812, 18139624]

約数ペア:

[(1, 18139624), (2, 9069812), (4, 4534906), (8, 2267453), (73, 248488), (89, 203816), (146, 124244), (178, 101908), (292, 62122), (349, 51976), (356, 50954), (584, 31061), (698, 25988), (712, 25477), (1396, 12994), (2792, 6497)]