18165448

素因数分解:

$2^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1429}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 39124800

約数和(自身を除く): 20959352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 227, 454, 908, 1429, 1589, 1816, 2858, 3178, 5716, 6356, 10003, 11432, 12712, 20006, 40012, 80024, 324383, 648766, 1297532, 2270681, 2595064, 4541362, 9082724, 18165448]

約数ペア:

[(1, 18165448), (2, 9082724), (4, 4541362), (7, 2595064), (8, 2270681), (14, 1297532), (28, 648766), (56, 324383), (227, 80024), (454, 40012), (908, 20006), (1429, 12712), (1589, 11432), (1816, 10003), (2858, 6356), (3178, 5716)]