19953815182

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{20359}}^1$

素因数の和:20585

約数の個数: 48

約数和(自身を含む): 35553690720

約数和(自身を除く): 15599875538

約数列:

[1, 2, 7, 14, 49, 73, 98, 137, 146, 274, 511, 959, 1022, 1918, 3577, 6713, 7154, 10001, 13426, 20002, 20359, 40718, 70007, 140014, 142513, 285026, 490049, 980098, 997591, 1486207, 1995182, 2789183, 2972414, 5578366, 10403449, 19524281, 20806898, 39048562, 72824143, 136669967, 145648286, 203610359, 273339934, 407220718, 1425272513, 2850545026, 9976907591, 19953815182]

約数ペア:

[(1, 19953815182), (2, 9976907591), (7, 2850545026), (14, 1425272513), (49, 407220718), (73, 273339934), (98, 203610359), (137, 145648286), (146, 136669967), (274, 72824143), (511, 39048562), (959, 20806898), (1022, 19524281), (1918, 10403449), (3577, 5578366), (6713, 2972414), (7154, 2789183), (10001, 1995182), (13426, 1486207), (20002, 997591), (20359, 980098), (40718, 490049), (70007, 285026), (140014, 142513)]