19993376

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3697}}^1$

素因数の和:3733

約数の個数: 36

約数和(自身を含む): 42634242

約数和(自身を除く): 22640866

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3697, 5408, 7394, 14788, 29576, 48061, 59152, 96122, 118304, 192244, 384488, 624793, 768976, 1249586, 1537952, 2499172, 4998344, 9996688, 19993376]

約数ペア:

[(1, 19993376), (2, 9996688), (4, 4998344), (8, 2499172), (13, 1537952), (16, 1249586), (26, 768976), (32, 624793), (52, 384488), (104, 192244), (169, 118304), (208, 96122), (338, 59152), (416, 48061), (676, 29576), (1352, 14788), (2704, 7394), (3697, 5408)]