19873724

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29399}}^1$

素因数の和:29429

約数の個数: 18

約数和(自身を含む): 37661400

約数和(自身を除く): 17787676

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29399, 58798, 117596, 382187, 764374, 1528748, 4968431, 9936862, 19873724]

約数ペア:

[(1, 19873724), (2, 9936862), (4, 4968431), (13, 1528748), (26, 764374), (52, 382187), (169, 117596), (338, 58798), (676, 29399)]