18446936

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 35873280

約数和(自身を除く): 17426344

約数列:

[1, 2, 4, 8, 47, 71, 94, 142, 188, 284, 376, 568, 691, 1382, 2764, 3337, 5528, 6674, 13348, 26696, 32477, 49061, 64954, 98122, 129908, 196244, 259816, 392488, 2305867, 4611734, 9223468, 18446936]

約数ペア:

[(1, 18446936), (2, 9223468), (4, 4611734), (8, 2305867), (47, 392488), (71, 259816), (94, 196244), (142, 129908), (188, 98122), (284, 64954), (376, 49061), (568, 32477), (691, 26696), (1382, 13348), (2764, 6674), (3337, 5528)]