18979114

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 35707392

約数和(自身を除く): 16728278

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 251, 491, 502, 982, 1757, 2761, 3437, 3514, 5401, 5522, 6874, 10802, 19327, 37807, 38654, 75614, 123241, 246482, 862687, 1355651, 1725374, 2711302, 9489557, 18979114]

約数ペア:

[(1, 18979114), (2, 9489557), (7, 2711302), (11, 1725374), (14, 1355651), (22, 862687), (77, 246482), (154, 123241), (251, 75614), (491, 38654), (502, 37807), (982, 19327), (1757, 10802), (2761, 6874), (3437, 5522), (3514, 5401)]