19722704

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26227}}^1$

素因数の和:26282

約数の個数: 20

約数和(自身を含む): 39027264

約数和(自身を除く): 19304560

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26227, 52454, 104908, 209816, 419632, 1232669, 2465338, 4930676, 9861352, 19722704]

約数ペア:

[(1, 19722704), (2, 9861352), (4, 4930676), (8, 2465338), (16, 1232669), (47, 419632), (94, 209816), (188, 104908), (376, 52454), (752, 26227)]