19604390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7937}}^1$

素因数の和:7976

約数の個数: 32

約数和(自身を含む): 40007520

約数和(自身を除く): 20403130

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7937, 15874, 39685, 79370, 103181, 150803, 206362, 301606, 515905, 754015, 1031810, 1508030, 1960439, 3920878, 9802195, 19604390]

約数ペア:

[(1, 19604390), (2, 9802195), (5, 3920878), (10, 1960439), (13, 1508030), (19, 1031810), (26, 754015), (38, 515905), (65, 301606), (95, 206362), (130, 150803), (190, 103181), (247, 79370), (494, 39685), (1235, 15874), (2470, 7937)]