18138208

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{227}}^2$

素因数の和:475

約数の個数: 36

約数和(自身を含む): 39128292

約数和(自身を除く): 20990084

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 227, 352, 454, 908, 1816, 2497, 3632, 4994, 7264, 9988, 19976, 39952, 51529, 79904, 103058, 206116, 412232, 566819, 824464, 1133638, 1648928, 2267276, 4534552, 9069104, 18138208]

約数ペア:

[(1, 18138208), (2, 9069104), (4, 4534552), (8, 2267276), (11, 1648928), (16, 1133638), (22, 824464), (32, 566819), (44, 412232), (88, 206116), (176, 103058), (227, 79904), (352, 51529), (454, 39952), (908, 19976), (1816, 9988), (2497, 7264), (3632, 4994)]