19417264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71387}}^1$

素因数の和:71412

約数の個数: 20

約数和(自身を含む): 39834504

約数和(自身を除く): 20417240

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71387, 142774, 285548, 571096, 1142192, 1213579, 2427158, 4854316, 9708632, 19417264]

約数ペア:

[(1, 19417264), (2, 9708632), (4, 4854316), (8, 2427158), (16, 1213579), (17, 1142192), (34, 571096), (68, 285548), (136, 142774), (272, 71387)]