19725604

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 35471520

約数和(自身を除く): 15745916

約数列:

[1, 2, 4, 67, 89, 134, 178, 268, 356, 827, 1654, 3308, 5963, 11926, 23852, 55409, 73603, 110818, 147206, 221636, 294412, 4931401, 9862802, 19725604]

約数ペア:

[(1, 19725604), (2, 9862802), (4, 4931401), (67, 294412), (89, 221636), (134, 147206), (178, 110818), (268, 73603), (356, 55409), (827, 23852), (1654, 11926), (3308, 5963)]