19101555

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 39052800

約数和(自身を除く): 19951245

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 677, 855, 1045, 1485, 1881, 2031, 2565, 3135, 3385, 5643, 6093, 7447, 9405, 10155, 12863, 18279, 22341, 28215, 30465, 37235, 38589, 64315, 67023, 91395, 111705, 115767, 141493, 192945, 201069, 335115, 347301, 424479, 578835, 707465, 1005345, 1273437, 1736505, 2122395, 3820311, 6367185, 19101555]

約数ペア:

[(1, 19101555), (3, 6367185), (5, 3820311), (9, 2122395), (11, 1736505), (15, 1273437), (19, 1005345), (27, 707465), (33, 578835), (45, 424479), (55, 347301), (57, 335115), (95, 201069), (99, 192945), (135, 141493), (165, 115767), (171, 111705), (209, 91395), (285, 67023), (297, 64315), (495, 38589), (513, 37235), (627, 30465), (677, 28215), (855, 22341), (1045, 18279), (1485, 12863), (1881, 10155), (2031, 9405), (2565, 7447), (3135, 6093), (3385, 5643)]