17679688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 18305912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1223, 1807, 2446, 3614, 4892, 7228, 9784, 14456, 15899, 31798, 63596, 127192, 169997, 339994, 679988, 1359976, 2209961, 4419922, 8839844, 17679688]

約数ペア:

[(1, 17679688), (2, 8839844), (4, 4419922), (8, 2209961), (13, 1359976), (26, 679988), (52, 339994), (104, 169997), (139, 127192), (278, 63596), (556, 31798), (1112, 15899), (1223, 14456), (1807, 9784), (2446, 7228), (3614, 4892)]