19808684

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10559}}^1$

素因数の和:10637

約数の個数: 24

約数和(自身を含む): 40212480

約数和(自身を除く): 20403796

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10559, 21118, 42236, 73913, 147826, 295652, 707453, 1414906, 2829812, 4952171, 9904342, 19808684]

約数ペア:

[(1, 19808684), (2, 9904342), (4, 4952171), (7, 2829812), (14, 1414906), (28, 707453), (67, 295652), (134, 147826), (268, 73913), (469, 42236), (938, 21118), (1876, 10559)]