19875448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2477}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 40143600

約数和(自身を除く): 20268152

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 2477, 4012, 4954, 8024, 9908, 19816, 42109, 84218, 146143, 168436, 292286, 336872, 584572, 1169144, 2484431, 4968862, 9937724, 19875448]

約数ペア:

[(1, 19875448), (2, 9937724), (4, 4968862), (8, 2484431), (17, 1169144), (34, 584572), (59, 336872), (68, 292286), (118, 168436), (136, 146143), (236, 84218), (472, 42109), (1003, 19816), (2006, 9908), (2477, 8024), (4012, 4954)]