17943220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2053}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 41408640

約数和(自身を除く): 23465420

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2053, 2185, 4106, 4370, 8212, 8740, 10265, 20530, 39007, 41060, 47219, 78014, 94438, 156028, 188876, 195035, 236095, 390070, 472190, 780140, 897161, 944380, 1794322, 3588644, 4485805, 8971610, 17943220]

約数ペア:

[(1, 17943220), (2, 8971610), (4, 4485805), (5, 3588644), (10, 1794322), (19, 944380), (20, 897161), (23, 780140), (38, 472190), (46, 390070), (76, 236095), (92, 195035), (95, 188876), (115, 156028), (190, 94438), (230, 78014), (380, 47219), (437, 41060), (460, 39007), (874, 20530), (1748, 10265), (2053, 8740), (2185, 8212), (4106, 4370)]