19003705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 29773440

約数和(自身を除く): 10769735

約数列:

[1, 5, 7, 17, 19, 35, 41, 85, 95, 119, 133, 205, 287, 323, 595, 665, 697, 779, 1435, 1615, 1681, 2261, 3485, 3895, 4879, 5453, 8405, 11305, 11767, 13243, 24395, 27265, 28577, 31939, 58835, 66215, 92701, 142885, 159695, 200039, 223573, 463505, 542963, 1000195, 1117865, 2714815, 3800741, 19003705]

約数ペア:

[(1, 19003705), (5, 3800741), (7, 2714815), (17, 1117865), (19, 1000195), (35, 542963), (41, 463505), (85, 223573), (95, 200039), (119, 159695), (133, 142885), (205, 92701), (287, 66215), (323, 58835), (595, 31939), (665, 28577), (697, 27265), (779, 24395), (1435, 13243), (1615, 11767), (1681, 11305), (2261, 8405), (3485, 5453), (3895, 4879)]