18196245

素因数分解:

$3^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 32931360

約数和(自身を除く): 14735115

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 179, 251, 405, 537, 753, 895, 1255, 1611, 2259, 2685, 3765, 4833, 6777, 8055, 11295, 14499, 20331, 24165, 33885, 44929, 72495, 101655, 134787, 224645, 404361, 673935, 1213083, 2021805, 3639249, 6065415, 18196245]

約数ペア:

[(1, 18196245), (3, 6065415), (5, 3639249), (9, 2021805), (15, 1213083), (27, 673935), (45, 404361), (81, 224645), (135, 134787), (179, 101655), (251, 72495), (405, 44929), (537, 33885), (753, 24165), (895, 20331), (1255, 14499), (1611, 11295), (2259, 8055), (2685, 6777), (3765, 4833)]