19694780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140677}}^1$

素因数の和:140693

約数の個数: 24

約数和(自身を含む): 47267808

約数和(自身を除く): 27573028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140677, 281354, 562708, 703385, 984739, 1406770, 1969478, 2813540, 3938956, 4923695, 9847390, 19694780]

約数ペア:

[(1, 19694780), (2, 9847390), (4, 4923695), (5, 3938956), (7, 2813540), (10, 1969478), (14, 1406770), (20, 984739), (28, 703385), (35, 562708), (70, 281354), (140, 140677)]