19438864

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 39765312

約数和(自身を除く): 20326448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 368, 404, 523, 808, 1046, 1616, 2092, 2323, 4184, 4646, 8368, 9292, 12029, 18584, 24058, 37168, 48116, 52823, 96232, 105646, 192464, 211292, 422584, 845168, 1214929, 2429858, 4859716, 9719432, 19438864]

約数ペア:

[(1, 19438864), (2, 9719432), (4, 4859716), (8, 2429858), (16, 1214929), (23, 845168), (46, 422584), (92, 211292), (101, 192464), (184, 105646), (202, 96232), (368, 52823), (404, 48116), (523, 37168), (808, 24058), (1046, 18584), (1616, 12029), (2092, 9292), (2323, 8368), (4184, 4646)]