18311996358

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{2687}}^1\times {\mathrm{19927}}^1$

素因数の和:22641

約数の個数: 48

約数和(自身を含む): 41781841920

約数和(自身を除く): 23469845562

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 2687, 5374, 8061, 16122, 19927, 24183, 39854, 48366, 51053, 59781, 102106, 119562, 153159, 179343, 306318, 358686, 378613, 459477, 757226, 918954, 1135839, 2271678, 3407517, 6815034, 53543849, 107087698, 160631547, 321263094, 481894641, 963789282, 1017333131, 2034666262, 3051999393, 6103998786, 9155998179, 18311996358]

約数ペア:

[(1, 18311996358), (2, 9155998179), (3, 6103998786), (6, 3051999393), (9, 2034666262), (18, 1017333131), (19, 963789282), (38, 481894641), (57, 321263094), (114, 160631547), (171, 107087698), (342, 53543849), (2687, 6815034), (5374, 3407517), (8061, 2271678), (16122, 1135839), (19927, 918954), (24183, 757226), (39854, 459477), (48366, 378613), (51053, 358686), (59781, 306318), (102106, 179343), (119562, 153159)]