19210940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19603}}^1$

素因数の和:19626

約数の個数: 36

約数和(自身を含む): 46931976

約数和(自身を除く): 27721036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19603, 39206, 78412, 98015, 137221, 196030, 274442, 392060, 548884, 686105, 960547, 1372210, 1921094, 2744420, 3842188, 4802735, 9605470, 19210940]

約数ペア:

[(1, 19210940), (2, 9605470), (4, 4802735), (5, 3842188), (7, 2744420), (10, 1921094), (14, 1372210), (20, 960547), (28, 686105), (35, 548884), (49, 392060), (70, 274442), (98, 196030), (140, 137221), (196, 98015), (245, 78412), (490, 39206), (980, 19603)]