18236085

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 34790976

約数和(自身を除く): 16554891

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 577, 645, 735, 903, 1505, 1731, 2107, 2885, 4039, 4515, 6321, 8655, 10535, 12117, 20195, 24811, 28273, 31605, 60585, 74433, 84819, 124055, 141365, 173677, 372165, 424095, 521031, 868385, 1215739, 2605155, 3647217, 6078695, 18236085]

約数ペア:

[(1, 18236085), (3, 6078695), (5, 3647217), (7, 2605155), (15, 1215739), (21, 868385), (35, 521031), (43, 424095), (49, 372165), (105, 173677), (129, 141365), (147, 124055), (215, 84819), (245, 74433), (301, 60585), (577, 31605), (645, 28273), (735, 24811), (903, 20195), (1505, 12117), (1731, 10535), (2107, 8655), (2885, 6321), (4039, 4515)]