19664272

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23189}}^1$

素因数の和:23250

約数の個数: 20

約数和(自身を含む): 38820060

約数和(自身を除く): 19155788

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23189, 46378, 92756, 185512, 371024, 1229017, 2458034, 4916068, 9832136, 19664272]

約数ペア:

[(1, 19664272), (2, 9832136), (4, 4916068), (8, 2458034), (16, 1229017), (53, 371024), (106, 185512), (212, 92756), (424, 46378), (848, 23189)]