18884425

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 28101376

約数和(自身を除く): 9216951

約数列:

[1, 5, 7, 25, 31, 35, 59, 155, 175, 217, 295, 413, 775, 1085, 1475, 1829, 2065, 3481, 5425, 9145, 10325, 12803, 17405, 24367, 45725, 64015, 87025, 107911, 121835, 320075, 539555, 609175, 755377, 2697775, 3776885, 18884425]

約数ペア:

[(1, 18884425), (5, 3776885), (7, 2697775), (25, 755377), (31, 609175), (35, 539555), (59, 320075), (155, 121835), (175, 107911), (217, 87025), (295, 64015), (413, 45725), (775, 24367), (1085, 17405), (1475, 12803), (1829, 10325), (2065, 9145), (3481, 5425)]