19757045

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7331}}^1$

素因数の和:7361

約数の個数: 24

約数和(自身を含む): 30090528

約数和(自身を除く): 10333483

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 7331, 36655, 51317, 80641, 256585, 359219, 403205, 564487, 1796095, 2822435, 3951409, 19757045]

約数ペア:

[(1, 19757045), (5, 3951409), (7, 2822435), (11, 1796095), (35, 564487), (49, 403205), (55, 359219), (77, 256585), (245, 80641), (385, 51317), (539, 36655), (2695, 7331)]