18934335

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 39551616

約数和(自身を除く): 20617281

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 93, 105, 147, 155, 217, 245, 277, 279, 315, 441, 465, 651, 735, 831, 1085, 1385, 1395, 1519, 1939, 1953, 2205, 2493, 3255, 4155, 4557, 5817, 7595, 8587, 9695, 9765, 12465, 13573, 13671, 17451, 22785, 25761, 29085, 40719, 42935, 60109, 67865, 68355, 77283, 87255, 122157, 128805, 180327, 203595, 300545, 386415, 420763, 540981, 610785, 901635, 1262289, 2103815, 2704905, 3786867, 6311445, 18934335]

約数ペア:

[(1, 18934335), (3, 6311445), (5, 3786867), (7, 2704905), (9, 2103815), (15, 1262289), (21, 901635), (31, 610785), (35, 540981), (45, 420763), (49, 386415), (63, 300545), (93, 203595), (105, 180327), (147, 128805), (155, 122157), (217, 87255), (245, 77283), (277, 68355), (279, 67865), (315, 60109), (441, 42935), (465, 40719), (651, 29085), (735, 25761), (831, 22785), (1085, 17451), (1385, 13671), (1395, 13573), (1519, 12465), (1939, 9765), (1953, 9695), (2205, 8587), (2493, 7595), (3255, 5817), (4155, 4557)]