19908824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4073}}^1$

素因数の和:4139

約数の個数: 32

約数和(自身を含む): 41065920

約数和(自身を除く): 21157096

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4073, 4888, 8146, 16292, 32584, 52949, 105898, 191431, 211796, 382862, 423592, 765724, 1531448, 2488603, 4977206, 9954412, 19908824]

約数ペア:

[(1, 19908824), (2, 9954412), (4, 4977206), (8, 2488603), (13, 1531448), (26, 765724), (47, 423592), (52, 382862), (94, 211796), (104, 191431), (188, 105898), (376, 52949), (611, 32584), (1222, 16292), (2444, 8146), (4073, 4888)]