19409936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13331}}^1$

素因数の和:13359

約数の個数: 40

約数和(自身を含む): 46288704

約数和(自身を除く): 26878768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13331, 26662, 53324, 93317, 106648, 173303, 186634, 213296, 346606, 373268, 693212, 746536, 1213121, 1386424, 1493072, 2426242, 2772848, 4852484, 9704968, 19409936]

約数ペア:

[(1, 19409936), (2, 9704968), (4, 4852484), (7, 2772848), (8, 2426242), (13, 1493072), (14, 1386424), (16, 1213121), (26, 746536), (28, 693212), (52, 373268), (56, 346606), (91, 213296), (104, 186634), (112, 173303), (182, 106648), (208, 93317), (364, 53324), (728, 26662), (1456, 13331)]