18804538389

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4051829}}^1$

素因数の和:4051869

約数の個数: 32

約数和(自身を含む): 32673957120

約数和(自身を除く): 13869418731

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 4051829, 12155487, 28362803, 52673777, 68881093, 85088409, 158021331, 206643279, 368716439, 482167651, 895454209, 1106149317, 1446502953, 2686362627, 6268179463, 18804538389]

約数ペア:

[(1, 18804538389), (3, 6268179463), (7, 2686362627), (13, 1446502953), (17, 1106149317), (21, 895454209), (39, 482167651), (51, 368716439), (91, 206643279), (119, 158021331), (221, 85088409), (273, 68881093), (357, 52673777), (663, 28362803), (1547, 12155487), (4641, 4051829)]