19709316

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:793

約数の個数: 72

約数和(自身を含む): 55194048

約数和(自身を除く): 35484732

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 701, 781, 852, 1278, 1402, 1562, 2103, 2343, 2556, 2804, 3124, 4206, 4686, 6309, 7029, 7711, 8412, 9372, 12618, 14058, 15422, 23133, 25236, 28116, 30844, 46266, 49771, 69399, 92532, 99542, 138798, 149313, 199084, 277596, 298626, 447939, 547481, 597252, 895878, 1094962, 1642443, 1791756, 2189924, 3284886, 4927329, 6569772, 9854658, 19709316]

約数ペア:

[(1, 19709316), (2, 9854658), (3, 6569772), (4, 4927329), (6, 3284886), (9, 2189924), (11, 1791756), (12, 1642443), (18, 1094962), (22, 895878), (33, 597252), (36, 547481), (44, 447939), (66, 298626), (71, 277596), (99, 199084), (132, 149313), (142, 138798), (198, 99542), (213, 92532), (284, 69399), (396, 49771), (426, 46266), (639, 30844), (701, 28116), (781, 25236), (852, 23133), (1278, 15422), (1402, 14058), (1562, 12618), (2103, 9372), (2343, 8412), (2556, 7711), (2804, 7029), (3124, 6309), (4206, 4686)]