18768210495

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1\times {\mathrm{1123}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 31380209664

約数和(自身を除く): 12611999169

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 283, 381, 465, 635, 849, 1123, 1415, 1905, 3369, 3937, 4245, 5615, 8773, 11811, 16845, 19685, 26319, 34813, 35941, 43865, 59055, 104439, 107823, 131595, 142621, 174065, 179705, 317809, 427863, 522195, 539115, 713105, 953427, 1114171, 1589045, 2139315, 3342513, 4421251, 4767135, 5570855, 9852079, 13263753, 16712565, 22106255, 29556237, 40361743, 49260395, 66318765, 121085229, 147781185, 201808715, 605426145, 1251214033, 3753642099, 6256070165, 18768210495]

約数ペア:

[(1, 18768210495), (3, 6256070165), (5, 3753642099), (15, 1251214033), (31, 605426145), (93, 201808715), (127, 147781185), (155, 121085229), (283, 66318765), (381, 49260395), (465, 40361743), (635, 29556237), (849, 22106255), (1123, 16712565), (1415, 13263753), (1905, 9852079), (3369, 5570855), (3937, 4767135), (4245, 4421251), (5615, 3342513), (8773, 2139315), (11811, 1589045), (16845, 1114171), (19685, 953427), (26319, 713105), (34813, 539115), (35941, 522195), (43865, 427863), (59055, 317809), (104439, 179705), (107823, 174065), (131595, 142621)]