18191264

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6247}}^1$

素因数の和:6277

約数の個数: 48

約数和(自身を含む): 44085888

約数和(自身を除く): 25894624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6247, 12494, 24988, 43729, 49976, 81211, 87458, 99952, 162422, 174916, 199904, 324844, 349832, 568477, 649688, 699664, 1136954, 1299376, 1399328, 2273908, 2598752, 4547816, 9095632, 18191264]

約数ペア:

[(1, 18191264), (2, 9095632), (4, 4547816), (7, 2598752), (8, 2273908), (13, 1399328), (14, 1299376), (16, 1136954), (26, 699664), (28, 649688), (32, 568477), (52, 349832), (56, 324844), (91, 199904), (104, 174916), (112, 162422), (182, 99952), (208, 87458), (224, 81211), (364, 49976), (416, 43729), (728, 24988), (1456, 12494), (2912, 6247)]