18686652

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 47040000

約数和(自身を除く): 28353348

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 1558, 1999, 2337, 3116, 3998, 4674, 5997, 7996, 9348, 11994, 23988, 37981, 75962, 81959, 113943, 151924, 163918, 227886, 245877, 327836, 455772, 491754, 983508, 1557221, 3114442, 4671663, 6228884, 9343326, 18686652]

約数ペア:

[(1, 18686652), (2, 9343326), (3, 6228884), (4, 4671663), (6, 3114442), (12, 1557221), (19, 983508), (38, 491754), (41, 455772), (57, 327836), (76, 245877), (82, 227886), (114, 163918), (123, 151924), (164, 113943), (228, 81959), (246, 75962), (492, 37981), (779, 23988), (1558, 11994), (1999, 9348), (2337, 7996), (3116, 5997), (3998, 4674)]