18786012

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 52246656

約数和(自身を除く): 33460644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 743, 903, 1204, 1486, 1806, 2107, 2229, 2972, 3612, 4214, 4458, 5201, 6321, 8428, 8916, 10402, 12642, 15603, 20804, 25284, 31206, 31949, 36407, 62412, 63898, 72814, 95847, 109221, 127796, 145628, 191694, 218442, 223643, 383388, 436884, 447286, 670929, 894572, 1341858, 1565501, 2683716, 3131002, 4696503, 6262004, 9393006, 18786012]

約数ペア:

[(1, 18786012), (2, 9393006), (3, 6262004), (4, 4696503), (6, 3131002), (7, 2683716), (12, 1565501), (14, 1341858), (21, 894572), (28, 670929), (42, 447286), (43, 436884), (49, 383388), (84, 223643), (86, 218442), (98, 191694), (129, 145628), (147, 127796), (172, 109221), (196, 95847), (258, 72814), (294, 63898), (301, 62412), (516, 36407), (588, 31949), (602, 31206), (743, 25284), (903, 20804), (1204, 15603), (1486, 12642), (1806, 10402), (2107, 8916), (2229, 8428), (2972, 6321), (3612, 5201), (4214, 4458)]