18609735

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12494265

約数列:

[1, 3, 5, 15, 29, 87, 145, 179, 239, 435, 537, 717, 895, 1195, 2685, 3585, 5191, 6931, 15573, 20793, 25955, 34655, 42781, 77865, 103965, 128343, 213905, 641715, 1240649, 3721947, 6203245, 18609735]

約数ペア:

[(1, 18609735), (3, 6203245), (5, 3721947), (15, 1240649), (29, 641715), (87, 213905), (145, 128343), (179, 103965), (239, 77865), (435, 42781), (537, 34655), (717, 25955), (895, 20793), (1195, 15573), (2685, 6931), (3585, 5191)]