18844912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 39060000

約数和(自身を除く): 20215088

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 82, 92, 164, 184, 328, 368, 656, 943, 1249, 1886, 2498, 3772, 4996, 7544, 9992, 15088, 19984, 28727, 51209, 57454, 102418, 114908, 204836, 229816, 409672, 459632, 819344, 1177807, 2355614, 4711228, 9422456, 18844912]

約数ペア:

[(1, 18844912), (2, 9422456), (4, 4711228), (8, 2355614), (16, 1177807), (23, 819344), (41, 459632), (46, 409672), (82, 229816), (92, 204836), (164, 114908), (184, 102418), (328, 57454), (368, 51209), (656, 28727), (943, 19984), (1249, 15088), (1886, 9992), (2498, 7544), (3772, 4996)]