17819892478

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1\times {\mathrm{122867}}^1$

素因数の和:123567

約数の個数: 16

約数和(自身を含む): 26987710464

約数和(自身を除く): 9167817986

約数列:

[1, 2, 127, 254, 571, 1142, 72517, 122867, 145034, 245734, 15604109, 31208218, 70157057, 140314114, 8909946239, 17819892478]

約数ペア:

[(1, 17819892478), (2, 8909946239), (127, 140314114), (254, 70157057), (571, 31208218), (1142, 15604109), (72517, 245734), (122867, 145034)]