19776284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 39384576

約数和(自身を除く): 19608292

約数列:

[1, 2, 4, 11, 22, 44, 47, 73, 94, 131, 146, 188, 262, 292, 517, 524, 803, 1034, 1441, 1606, 2068, 2882, 3212, 3431, 5764, 6157, 6862, 9563, 12314, 13724, 19126, 24628, 37741, 38252, 67727, 75482, 105193, 135454, 150964, 210386, 270908, 420772, 449461, 898922, 1797844, 4944071, 9888142, 19776284]

約数ペア:

[(1, 19776284), (2, 9888142), (4, 4944071), (11, 1797844), (22, 898922), (44, 449461), (47, 420772), (73, 270908), (94, 210386), (131, 150964), (146, 135454), (188, 105193), (262, 75482), (292, 67727), (517, 38252), (524, 37741), (803, 24628), (1034, 19126), (1441, 13724), (1606, 12314), (2068, 9563), (2882, 6862), (3212, 6157), (3431, 5764)]