18747922545

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1221761}}^1$

素因数の和:1221814

約数の個数: 48

約数和(自身を含む): 36594215424

約数和(自身を除く): 17846292879

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1395, 1705, 3069, 5115, 15345, 1221761, 3665283, 6108805, 10995849, 13439371, 18326415, 37874591, 40318113, 54979245, 67196855, 113623773, 120954339, 189372955, 201590565, 340871319, 416620501, 568118865, 604771695, 1249861503, 1704356595, 2083102505, 3749584509, 6249307515, 18747922545]

約数ペア:

[(1, 18747922545), (3, 6249307515), (5, 3749584509), (9, 2083102505), (11, 1704356595), (15, 1249861503), (31, 604771695), (33, 568118865), (45, 416620501), (55, 340871319), (93, 201590565), (99, 189372955), (155, 120954339), (165, 113623773), (279, 67196855), (341, 54979245), (465, 40318113), (495, 37874591), (1023, 18326415), (1395, 13439371), (1705, 10995849), (3069, 6108805), (5115, 3665283), (15345, 1221761)]