19725056

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{5927}}^1$

素因数の和:5956

約数の個数: 36

約数和(自身を含む): 42408912

約数和(自身を除く): 22683856

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 5927, 11854, 23708, 47416, 77051, 94832, 154102, 189664, 308204, 379328, 616408, 758656, 1232816, 1517312, 2465632, 4931264, 9862528, 19725056]

約数ペア:

[(1, 19725056), (2, 9862528), (4, 4931264), (8, 2465632), (13, 1517312), (16, 1232816), (26, 758656), (32, 616408), (52, 379328), (64, 308204), (104, 189664), (128, 154102), (208, 94832), (256, 77051), (416, 47416), (832, 23708), (1664, 11854), (3328, 5927)]