18158805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3391}}^1$

素因数の和:3426

約数の個数: 48

約数和(自身を含む): 38098944

約数和(自身を除く): 19940139

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 3391, 5355, 10173, 16955, 23737, 30519, 50865, 57647, 71211, 118685, 152595, 172941, 213633, 288235, 356055, 403529, 518823, 864705, 1068165, 1210587, 2017645, 2594115, 3631761, 6052935, 18158805]

約数ペア:

[(1, 18158805), (3, 6052935), (5, 3631761), (7, 2594115), (9, 2017645), (15, 1210587), (17, 1068165), (21, 864705), (35, 518823), (45, 403529), (51, 356055), (63, 288235), (85, 213633), (105, 172941), (119, 152595), (153, 118685), (255, 71211), (315, 57647), (357, 50865), (595, 30519), (765, 23737), (1071, 16955), (1785, 10173), (3391, 5355)]