18612860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132949}}^1$

素因数の和:132965

約数の個数: 24

約数和(自身を含む): 44671200

約数和(自身を除く): 26058340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132949, 265898, 531796, 664745, 930643, 1329490, 1861286, 2658980, 3722572, 4653215, 9306430, 18612860]

約数ペア:

[(1, 18612860), (2, 9306430), (4, 4653215), (5, 3722572), (7, 2658980), (10, 1861286), (14, 1329490), (20, 930643), (28, 664745), (35, 531796), (70, 265898), (140, 132949)]