18031448

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 36799920

約数和(自身を除く): 18768472

約数列:

[1, 2, 4, 8, 23, 43, 46, 53, 86, 92, 106, 172, 184, 212, 344, 424, 989, 1219, 1849, 1978, 2279, 2438, 3698, 3956, 4558, 4876, 7396, 7912, 9116, 9752, 14792, 18232, 42527, 52417, 85054, 97997, 104834, 170108, 195994, 209668, 340216, 391988, 419336, 783976, 2253931, 4507862, 9015724, 18031448]

約数ペア:

[(1, 18031448), (2, 9015724), (4, 4507862), (8, 2253931), (23, 783976), (43, 419336), (46, 391988), (53, 340216), (86, 209668), (92, 195994), (106, 170108), (172, 104834), (184, 97997), (212, 85054), (344, 52417), (424, 42527), (989, 18232), (1219, 14792), (1849, 9752), (1978, 9116), (2279, 7912), (2438, 7396), (3698, 4876), (3956, 4558)]