19679536

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 40577760

約数和(自身を除く): 20898224

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 1009, 1219, 2018, 2438, 4036, 4876, 8072, 9752, 16144, 19504, 23207, 46414, 53477, 92828, 106954, 185656, 213908, 371312, 427816, 855632, 1229971, 2459942, 4919884, 9839768, 19679536]

約数ペア:

[(1, 19679536), (2, 9839768), (4, 4919884), (8, 2459942), (16, 1229971), (23, 855632), (46, 427816), (53, 371312), (92, 213908), (106, 185656), (184, 106954), (212, 92828), (368, 53477), (424, 46414), (848, 23207), (1009, 19504), (1219, 16144), (2018, 9752), (2438, 8072), (4036, 4876)]