19617712

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53309}}^1$

素因数の和:53340

約数の個数: 20

約数和(自身を含む): 39662640

約数和(自身を除く): 20044928

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53309, 106618, 213236, 426472, 852944, 1226107, 2452214, 4904428, 9808856, 19617712]

約数ペア:

[(1, 19617712), (2, 9808856), (4, 4904428), (8, 2452214), (16, 1226107), (23, 852944), (46, 426472), (92, 213236), (184, 106618), (368, 53309)]