19468940

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4073}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 21596980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4073, 4780, 8146, 16292, 20365, 40730, 81460, 973447, 1946894, 3893788, 4867235, 9734470, 19468940]

約数ペア:

[(1, 19468940), (2, 9734470), (4, 4867235), (5, 3893788), (10, 1946894), (20, 973447), (239, 81460), (478, 40730), (956, 20365), (1195, 16292), (2390, 8146), (4073, 4780)]