19729815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4583}}^1$

素因数の和:4639

約数の個数: 32

約数和(自身を含む): 36965376

約数和(自身を除く): 17235561

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4583, 13749, 22915, 32081, 68745, 96243, 160405, 187903, 481215, 563709, 939515, 1315321, 2818545, 3945963, 6576605, 19729815]

約数ペア:

[(1, 19729815), (3, 6576605), (5, 3945963), (7, 2818545), (15, 1315321), (21, 939515), (35, 563709), (41, 481215), (105, 187903), (123, 160405), (205, 96243), (287, 68745), (615, 32081), (861, 22915), (1435, 13749), (4305, 4583)]