18977004

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1636

約数の個数: 60

約数和(自身を含む): 50982624

約数和(自身を除く): 32005620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 324, 333, 444, 666, 999, 1332, 1583, 1998, 2997, 3166, 3996, 4749, 5994, 6332, 9498, 11988, 14247, 18996, 28494, 42741, 56988, 58571, 85482, 117142, 128223, 170964, 175713, 234284, 256446, 351426, 512892, 527139, 702852, 1054278, 1581417, 2108556, 3162834, 4744251, 6325668, 9488502, 18977004]

約数ペア:

[(1, 18977004), (2, 9488502), (3, 6325668), (4, 4744251), (6, 3162834), (9, 2108556), (12, 1581417), (18, 1054278), (27, 702852), (36, 527139), (37, 512892), (54, 351426), (74, 256446), (81, 234284), (108, 175713), (111, 170964), (148, 128223), (162, 117142), (222, 85482), (324, 58571), (333, 56988), (444, 42741), (666, 28494), (999, 18996), (1332, 14247), (1583, 11988), (1998, 9498), (2997, 6332), (3166, 5994), (3996, 4749)]