19194448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13183}}^1$

素因数の和:13211

約数の個数: 40

約数和(自身を含む): 45774848

約数和(自身を除く): 26580400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13183, 26366, 52732, 92281, 105464, 171379, 184562, 210928, 342758, 369124, 685516, 738248, 1199653, 1371032, 1476496, 2399306, 2742064, 4798612, 9597224, 19194448]

約数ペア:

[(1, 19194448), (2, 9597224), (4, 4798612), (7, 2742064), (8, 2399306), (13, 1476496), (14, 1371032), (16, 1199653), (26, 738248), (28, 685516), (52, 369124), (56, 342758), (91, 210928), (104, 184562), (112, 171379), (182, 105464), (208, 92281), (364, 52732), (728, 26366), (1456, 13183)]