19948816

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14009}}^1$

素因数の和:14106

約数の個数: 20

約数和(自身を含む): 39087900

約数和(自身を除く): 19139084

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14009, 28018, 56036, 112072, 224144, 1246801, 2493602, 4987204, 9974408, 19948816]

約数ペア:

[(1, 19948816), (2, 9974408), (4, 4987204), (8, 2493602), (16, 1246801), (89, 224144), (178, 112072), (356, 56036), (712, 28018), (1424, 14009)]