17940364

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{26539}}^1$

素因数の和:26569

約数の個数: 18

約数和(自身を含む): 33997740

約数和(自身を除く): 16057376

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 26539, 53078, 106156, 345007, 690014, 1380028, 4485091, 8970182, 17940364]

約数ペア:

[(1, 17940364), (2, 8970182), (4, 4485091), (13, 1380028), (26, 690014), (52, 345007), (169, 106156), (338, 53078), (676, 26539)]