18305460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 39352140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 109, 135, 180, 218, 270, 311, 327, 436, 540, 545, 622, 654, 933, 981, 1090, 1244, 1308, 1555, 1635, 1866, 1962, 2180, 2799, 2943, 3110, 3270, 3732, 3924, 4665, 4905, 5598, 5886, 6220, 6540, 8397, 9330, 9810, 11196, 11772, 13995, 14715, 16794, 18660, 19620, 27990, 29430, 33588, 33899, 41985, 55980, 58860, 67798, 83970, 101697, 135596, 167940, 169495, 203394, 305091, 338990, 406788, 508485, 610182, 677980, 915273, 1016970, 1220364, 1525455, 1830546, 2033940, 3050910, 3661092, 4576365, 6101820, 9152730, 18305460]

約数ペア:

[(1, 18305460), (2, 9152730), (3, 6101820), (4, 4576365), (5, 3661092), (6, 3050910), (9, 2033940), (10, 1830546), (12, 1525455), (15, 1220364), (18, 1016970), (20, 915273), (27, 677980), (30, 610182), (36, 508485), (45, 406788), (54, 338990), (60, 305091), (90, 203394), (108, 169495), (109, 167940), (135, 135596), (180, 101697), (218, 83970), (270, 67798), (311, 58860), (327, 55980), (436, 41985), (540, 33899), (545, 33588), (622, 29430), (654, 27990), (933, 19620), (981, 18660), (1090, 16794), (1244, 14715), (1308, 13995), (1555, 11772), (1635, 11196), (1866, 9810), (1962, 9330), (2180, 8397), (2799, 6540), (2943, 6220), (3110, 5886), (3270, 5598), (3732, 4905), (3924, 4665)]