19203228

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 53778816

約数和(自身を除く): 34575588

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, 683, 781, 852, 1278, 1366, 1562, 2049, 2343, 2556, 2732, 3124, 4098, 4686, 6147, 7029, 7513, 8196, 9372, 12294, 14058, 15026, 22539, 24588, 28116, 30052, 45078, 48493, 67617, 90156, 96986, 135234, 145479, 193972, 270468, 290958, 436437, 533423, 581916, 872874, 1066846, 1600269, 1745748, 2133692, 3200538, 4800807, 6401076, 9601614, 19203228]

約数ペア:

[(1, 19203228), (2, 9601614), (3, 6401076), (4, 4800807), (6, 3200538), (9, 2133692), (11, 1745748), (12, 1600269), (18, 1066846), (22, 872874), (33, 581916), (36, 533423), (44, 436437), (66, 290958), (71, 270468), (99, 193972), (132, 145479), (142, 135234), (198, 96986), (213, 90156), (284, 67617), (396, 48493), (426, 45078), (639, 30052), (683, 28116), (781, 24588), (852, 22539), (1278, 15026), (1366, 14058), (1562, 12294), (2049, 9372), (2343, 8196), (2556, 7513), (2732, 7029), (3124, 6147), (4098, 4686)]