19423792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71411}}^1$

素因数の和:71436

約数の個数: 20

約数和(自身を含む): 39847896

約数和(自身を除く): 20424104

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71411, 142822, 285644, 571288, 1142576, 1213987, 2427974, 4855948, 9711896, 19423792]

約数ペア:

[(1, 19423792), (2, 9711896), (4, 4855948), (8, 2427974), (16, 1213987), (17, 1142576), (34, 571288), (68, 285644), (136, 142822), (272, 71411)]