19693215

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 37140480

約数和(自身を除く): 17447265

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 743, 855, 1395, 1767, 2229, 2945, 3715, 5301, 6687, 8835, 11145, 14117, 23033, 26505, 33435, 42351, 69099, 70585, 115165, 127053, 207297, 211755, 345495, 437627, 635265, 1036485, 1312881, 2188135, 3938643, 6564405, 19693215]

約数ペア:

[(1, 19693215), (3, 6564405), (5, 3938643), (9, 2188135), (15, 1312881), (19, 1036485), (31, 635265), (45, 437627), (57, 345495), (93, 211755), (95, 207297), (155, 127053), (171, 115165), (279, 70585), (285, 69099), (465, 42351), (589, 33435), (743, 26505), (855, 23033), (1395, 14117), (1767, 11145), (2229, 8835), (2945, 6687), (3715, 5301)]