18854780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134677}}^1$

素因数の和:134693

約数の個数: 24

約数和(自身を含む): 45251808

約数和(自身を除く): 26397028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134677, 269354, 538708, 673385, 942739, 1346770, 1885478, 2693540, 3770956, 4713695, 9427390, 18854780]

約数ペア:

[(1, 18854780), (2, 9427390), (4, 4713695), (5, 3770956), (7, 2693540), (10, 1885478), (14, 1346770), (20, 942739), (28, 673385), (35, 538708), (70, 269354), (140, 134677)]