20172917188

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{18587}}^1$

素因数の和:18912

約数の個数: 48

約数和(自身を含む): 37773195264

約数和(自身を除く): 17600278076

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 251, 502, 1004, 1081, 2162, 4324, 5773, 11546, 11797, 18587, 23092, 23594, 37174, 47188, 74348, 271331, 427501, 542662, 855002, 873589, 1085324, 1710004, 1747178, 3494356, 4665337, 9330674, 18661348, 20092547, 40185094, 80370188, 107302751, 214605502, 219270839, 429211004, 438541678, 877083356, 5043229297, 10086458594, 20172917188]

約数ペア:

[(1, 20172917188), (2, 10086458594), (4, 5043229297), (23, 877083356), (46, 438541678), (47, 429211004), (92, 219270839), (94, 214605502), (188, 107302751), (251, 80370188), (502, 40185094), (1004, 20092547), (1081, 18661348), (2162, 9330674), (4324, 4665337), (5773, 3494356), (11546, 1747178), (11797, 1710004), (18587, 1085324), (23092, 873589), (23594, 855002), (37174, 542662), (47188, 427501), (74348, 271331)]