19748272

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26261}}^1$

素因数の和:26316

約数の個数: 20

約数和(自身を含む): 39077856

約数和(自身を除く): 19329584

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26261, 52522, 105044, 210088, 420176, 1234267, 2468534, 4937068, 9874136, 19748272]

約数ペア:

[(1, 19748272), (2, 9874136), (4, 4937068), (8, 2468534), (16, 1234267), (47, 420176), (94, 210088), (188, 105044), (376, 52522), (752, 26261)]