18131295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 18640545

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 37, 39, 65, 91, 105, 111, 185, 195, 259, 273, 359, 455, 481, 555, 777, 1077, 1295, 1365, 1443, 1795, 2405, 2513, 3367, 3885, 4667, 5385, 7215, 7539, 10101, 12565, 13283, 14001, 16835, 23335, 32669, 37695, 39849, 50505, 66415, 70005, 92981, 98007, 163345, 172679, 199245, 278943, 464905, 490035, 518037, 863395, 1208753, 1394715, 2590185, 3626259, 6043765, 18131295]

約数ペア:

[(1, 18131295), (3, 6043765), (5, 3626259), (7, 2590185), (13, 1394715), (15, 1208753), (21, 863395), (35, 518037), (37, 490035), (39, 464905), (65, 278943), (91, 199245), (105, 172679), (111, 163345), (185, 98007), (195, 92981), (259, 70005), (273, 66415), (359, 50505), (455, 39849), (481, 37695), (555, 32669), (777, 23335), (1077, 16835), (1295, 14001), (1365, 13283), (1443, 12565), (1795, 10101), (2405, 7539), (2513, 7215), (3367, 5385), (3885, 4667)]