19883000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 47455200

約数和(自身を除く): 27572200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 200, 236, 250, 295, 337, 472, 500, 590, 674, 1000, 1180, 1348, 1475, 1685, 2360, 2696, 2950, 3370, 5900, 6740, 7375, 8425, 11800, 13480, 14750, 16850, 19883, 29500, 33700, 39766, 42125, 59000, 67400, 79532, 84250, 99415, 159064, 168500, 198830, 337000, 397660, 497075, 795320, 994150, 1988300, 2485375, 3976600, 4970750, 9941500, 19883000]

約数ペア:

[(1, 19883000), (2, 9941500), (4, 4970750), (5, 3976600), (8, 2485375), (10, 1988300), (20, 994150), (25, 795320), (40, 497075), (50, 397660), (59, 337000), (100, 198830), (118, 168500), (125, 159064), (200, 99415), (236, 84250), (250, 79532), (295, 67400), (337, 59000), (472, 42125), (500, 39766), (590, 33700), (674, 29500), (1000, 19883), (1180, 16850), (1348, 14750), (1475, 13480), (1685, 11800), (2360, 8425), (2696, 7375), (2950, 6740), (3370, 5900)]