18090992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{293}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 37403856

約数和(自身を除く): 19312864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 227, 272, 293, 454, 586, 908, 1172, 1816, 2344, 3632, 3859, 4688, 4981, 7718, 9962, 15436, 19924, 30872, 39848, 61744, 66511, 79696, 133022, 266044, 532088, 1064176, 1130687, 2261374, 4522748, 9045496, 18090992]

約数ペア:

[(1, 18090992), (2, 9045496), (4, 4522748), (8, 2261374), (16, 1130687), (17, 1064176), (34, 532088), (68, 266044), (136, 133022), (227, 79696), (272, 66511), (293, 61744), (454, 39848), (586, 30872), (908, 19924), (1172, 15436), (1816, 9962), (2344, 7718), (3632, 4981), (3859, 4688)]