19999938

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1153}}^1$

素因数の和:1231

約数の個数: 48

約数和(自身を含む): 47360160

約数和(自身を除く): 27360222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 59, 98, 118, 147, 177, 294, 354, 413, 826, 1153, 1239, 2306, 2478, 2891, 3459, 5782, 6918, 8071, 8673, 16142, 17346, 24213, 48426, 56497, 68027, 112994, 136054, 169491, 204081, 338982, 408162, 476189, 952378, 1428567, 2857134, 3333323, 6666646, 9999969, 19999938]

約数ペア:

[(1, 19999938), (2, 9999969), (3, 6666646), (6, 3333323), (7, 2857134), (14, 1428567), (21, 952378), (42, 476189), (49, 408162), (59, 338982), (98, 204081), (118, 169491), (147, 136054), (177, 112994), (294, 68027), (354, 56497), (413, 48426), (826, 24213), (1153, 17346), (1239, 16142), (2306, 8673), (2478, 8071), (2891, 6918), (3459, 5782)]