19721460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29881}}^1$

素因数の和:29904

約数の個数: 48

約数和(自身を含む): 60242112

約数和(自身を除く): 40520652

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 29881, 59762, 89643, 119524, 149405, 179286, 298810, 328691, 358572, 448215, 597620, 657382, 896430, 986073, 1314764, 1643455, 1792860, 1972146, 3286910, 3944292, 4930365, 6573820, 9860730, 19721460]

約数ペア:

[(1, 19721460), (2, 9860730), (3, 6573820), (4, 4930365), (5, 3944292), (6, 3286910), (10, 1972146), (11, 1792860), (12, 1643455), (15, 1314764), (20, 986073), (22, 896430), (30, 657382), (33, 597620), (44, 448215), (55, 358572), (60, 328691), (66, 298810), (110, 179286), (132, 149405), (165, 119524), (220, 89643), (330, 59762), (660, 29881)]