19218438

素因数分解:

$2^1\times 3^3\times {\mathrm{479}}^1\times {\mathrm{743}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 23635962

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 479, 743, 958, 1437, 1486, 2229, 2874, 4311, 4458, 6687, 8622, 12933, 13374, 20061, 25866, 40122, 355897, 711794, 1067691, 2135382, 3203073, 6406146, 9609219, 19218438]

約数ペア:

[(1, 19218438), (2, 9609219), (3, 6406146), (6, 3203073), (9, 2135382), (18, 1067691), (27, 711794), (54, 355897), (479, 40122), (743, 25866), (958, 20061), (1437, 13374), (1486, 12933), (2229, 8622), (2874, 6687), (4311, 4458)]