18506964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4224

約数の個数: 48

約数和(自身を含む): 50295168

約数和(自身を除く): 31788204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4157, 4452, 8314, 12471, 16628, 24942, 29099, 49884, 58198, 87297, 116396, 174594, 220321, 349188, 440642, 660963, 881284, 1321926, 1542247, 2643852, 3084494, 4626741, 6168988, 9253482, 18506964]

約数ペア:

[(1, 18506964), (2, 9253482), (3, 6168988), (4, 4626741), (6, 3084494), (7, 2643852), (12, 1542247), (14, 1321926), (21, 881284), (28, 660963), (42, 440642), (53, 349188), (84, 220321), (106, 174594), (159, 116396), (212, 87297), (318, 58198), (371, 49884), (636, 29099), (742, 24942), (1113, 16628), (1484, 12471), (2226, 8314), (4157, 4452)]