17968756

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1448

約数の個数: 36

約数和(自身を含む): 35868000

約数和(自身を除く): 17899244

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1399, 2798, 3211, 5596, 6422, 12844, 18187, 26581, 36374, 53162, 72748, 106324, 236431, 345553, 472862, 691106, 945724, 1382212, 4492189, 8984378, 17968756]

約数ペア:

[(1, 17968756), (2, 8984378), (4, 4492189), (13, 1382212), (19, 945724), (26, 691106), (38, 472862), (52, 345553), (76, 236431), (169, 106324), (247, 72748), (338, 53162), (494, 36374), (676, 26581), (988, 18187), (1399, 12844), (2798, 6422), (3211, 5596)]