1999215681712

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{5432651309}}^1$

素因数の和:5432651340

約数の個数: 20

約数和(自身を含む): 4041892574640

約数和(自身を除く): 2042676892928

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 5432651309, 10865302618, 21730605236, 43461210472, 86922420944, 124950980107, 249901960214, 499803920428, 999607840856, 1999215681712]

約数ペア:

[(1, 1999215681712), (2, 999607840856), (4, 499803920428), (8, 249901960214), (16, 124950980107), (23, 86922420944), (46, 43461210472), (92, 21730605236), (184, 10865302618), (368, 5432651309)]