19643884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29059}}^1$

素因数の和:29089

約数の個数: 18

約数和(自身を含む): 37225860

約数和(自身を除く): 17581976

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29059, 58118, 116236, 377767, 755534, 1511068, 4910971, 9821942, 19643884]

約数ペア:

[(1, 19643884), (2, 9821942), (4, 4910971), (13, 1511068), (26, 755534), (52, 377767), (169, 116236), (338, 58118), (676, 29059)]