19210002940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6910073}}^1$

素因数の和:6910221

約数の個数: 24

約数和(自身を含む): 40631235120

約数和(自身を除く): 21421232180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 6910073, 13820146, 27640292, 34550365, 69100730, 138201460, 960500147, 1921000294, 3842000588, 4802500735, 9605001470, 19210002940]

約数ペア:

[(1, 19210002940), (2, 9605001470), (4, 4802500735), (5, 3842000588), (10, 1921000294), (20, 960500147), (139, 138201460), (278, 69100730), (556, 34550365), (695, 27640292), (1390, 13820146), (2780, 6910073)]