18818085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 36642816

約数和(自身を除く): 17824731

約数列:

[1, 3, 5, 11, 13, 15, 31, 33, 39, 55, 65, 93, 143, 155, 165, 195, 283, 341, 403, 429, 465, 715, 849, 1023, 1209, 1415, 1705, 2015, 2145, 3113, 3679, 4245, 4433, 5115, 6045, 8773, 9339, 11037, 13299, 15565, 18395, 22165, 26319, 40469, 43865, 46695, 55185, 66495, 96503, 114049, 121407, 131595, 202345, 289509, 342147, 482515, 570245, 607035, 1254539, 1447545, 1710735, 3763617, 6272695, 18818085]

約数ペア:

[(1, 18818085), (3, 6272695), (5, 3763617), (11, 1710735), (13, 1447545), (15, 1254539), (31, 607035), (33, 570245), (39, 482515), (55, 342147), (65, 289509), (93, 202345), (143, 131595), (155, 121407), (165, 114049), (195, 96503), (283, 66495), (341, 55185), (403, 46695), (429, 43865), (465, 40469), (715, 26319), (849, 22165), (1023, 18395), (1209, 15565), (1415, 13299), (1705, 11037), (2015, 9339), (2145, 8773), (3113, 6045), (3679, 5115), (4245, 4433)]