19702826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68891}}^1$

素因数の和:68917

約数の個数: 16

約数和(自身を含む): 34721568

約数和(自身を除く): 15018742

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 68891, 137782, 757801, 895583, 1515602, 1791166, 9851413, 19702826]

約数ペア:

[(1, 19702826), (2, 9851413), (11, 1791166), (13, 1515602), (22, 895583), (26, 757801), (143, 137782), (286, 68891)]