17977648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4549}}^1$

素因数の和:4589

約数の個数: 40

約数和(自身を含む): 39494000

約数和(自身を除く): 21516352

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4549, 9098, 18196, 36392, 59137, 72784, 86431, 118274, 172862, 236548, 345724, 473096, 691448, 946192, 1123603, 1382896, 2247206, 4494412, 8988824, 17977648]

約数ペア:

[(1, 17977648), (2, 8988824), (4, 4494412), (8, 2247206), (13, 1382896), (16, 1123603), (19, 946192), (26, 691448), (38, 473096), (52, 345724), (76, 236548), (104, 172862), (152, 118274), (208, 86431), (247, 72784), (304, 59137), (494, 36392), (988, 18196), (1976, 9098), (3952, 4549)]