18078268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 35048160

約数和(自身を除く): 16969892

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 569, 611, 676, 1138, 1222, 2276, 2444, 7397, 7943, 14794, 15886, 26743, 29588, 31772, 53486, 96161, 106972, 192322, 347659, 384644, 695318, 1390636, 4519567, 9039134, 18078268]

約数ペア:

[(1, 18078268), (2, 9039134), (4, 4519567), (13, 1390636), (26, 695318), (47, 384644), (52, 347659), (94, 192322), (169, 106972), (188, 96161), (338, 53486), (569, 31772), (611, 29588), (676, 26743), (1138, 15886), (1222, 14794), (2276, 7943), (2444, 7397)]