18658101

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 32417280

約数和(自身を除く): 13759179

約数列:

[1, 3, 7, 11, 21, 33, 37, 59, 77, 111, 177, 231, 259, 407, 413, 649, 777, 1221, 1239, 1369, 1947, 2183, 2849, 4107, 4543, 6549, 8547, 9583, 13629, 15059, 15281, 24013, 28749, 45177, 45843, 72039, 80771, 105413, 168091, 242313, 316239, 504273, 565397, 888481, 1696191, 2665443, 6219367, 18658101]

約数ペア:

[(1, 18658101), (3, 6219367), (7, 2665443), (11, 1696191), (21, 888481), (33, 565397), (37, 504273), (59, 316239), (77, 242313), (111, 168091), (177, 105413), (231, 80771), (259, 72039), (407, 45843), (413, 45177), (649, 28749), (777, 24013), (1221, 15281), (1239, 15059), (1369, 13629), (1947, 9583), (2183, 8547), (2849, 6549), (4107, 4543)]