19659854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 13103026

約数列:

[1, 2, 17, 29, 34, 58, 127, 157, 254, 314, 493, 986, 2159, 2669, 3683, 4318, 4553, 5338, 7366, 9106, 19939, 39878, 62611, 77401, 125222, 154802, 338963, 578231, 677926, 1156462, 9829927, 19659854]

約数ペア:

[(1, 19659854), (2, 9829927), (17, 1156462), (29, 677926), (34, 578231), (58, 338963), (127, 154802), (157, 125222), (254, 77401), (314, 62611), (493, 39878), (986, 19939), (2159, 9106), (2669, 7366), (3683, 5338), (4318, 4553)]