18743985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^2$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 35185332

約数和(自身を除く): 16441347

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 179, 195, 537, 585, 895, 1611, 2327, 2685, 6981, 8055, 11635, 20943, 32041, 34905, 96123, 104715, 160205, 288369, 416533, 480615, 1249599, 1441845, 2082665, 3748797, 6247995, 18743985]

約数ペア:

[(1, 18743985), (3, 6247995), (5, 3748797), (9, 2082665), (13, 1441845), (15, 1249599), (39, 480615), (45, 416533), (65, 288369), (117, 160205), (179, 104715), (195, 96123), (537, 34905), (585, 32041), (895, 20943), (1611, 11635), (2327, 8055), (2685, 6981)]