18926576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 39171600

約数和(自身を除く): 20245024

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 149, 272, 298, 467, 596, 934, 1192, 1868, 2384, 2533, 3736, 5066, 7472, 7939, 10132, 15878, 20264, 31756, 40528, 63512, 69583, 127024, 139166, 278332, 556664, 1113328, 1182911, 2365822, 4731644, 9463288, 18926576]

約数ペア:

[(1, 18926576), (2, 9463288), (4, 4731644), (8, 2365822), (16, 1182911), (17, 1113328), (34, 556664), (68, 278332), (136, 139166), (149, 127024), (272, 69583), (298, 63512), (467, 40528), (596, 31756), (934, 20264), (1192, 15878), (1868, 10132), (2384, 7939), (2533, 7472), (3736, 5066)]