19662456

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 34769544

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 568, 781, 852, 1049, 1562, 1704, 2098, 2343, 3124, 3147, 4196, 4686, 6248, 6294, 8392, 9372, 11539, 12588, 18744, 23078, 25176, 34617, 46156, 69234, 74479, 92312, 138468, 148958, 223437, 276936, 297916, 446874, 595832, 819269, 893748, 1638538, 1787496, 2457807, 3277076, 4915614, 6554152, 9831228, 19662456]

約数ペア:

[(1, 19662456), (2, 9831228), (3, 6554152), (4, 4915614), (6, 3277076), (8, 2457807), (11, 1787496), (12, 1638538), (22, 893748), (24, 819269), (33, 595832), (44, 446874), (66, 297916), (71, 276936), (88, 223437), (132, 148958), (142, 138468), (213, 92312), (264, 74479), (284, 69234), (426, 46156), (568, 34617), (781, 25176), (852, 23078), (1049, 18744), (1562, 12588), (1704, 11539), (2098, 9372), (2343, 8392), (3124, 6294), (3147, 6248), (4196, 4686)]