20218511038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5312273}}^1$

素因数の和:5312459

約数の個数: 16

約数和(自身を含む): 33276084336

約数和(自身を除く): 13057573298

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5312273, 10624546, 58435003, 116870006, 919023229, 1838046458, 10109255519, 20218511038]

約数ペア:

[(1, 20218511038), (2, 10109255519), (11, 1838046458), (22, 919023229), (173, 116870006), (346, 58435003), (1903, 10624546), (3806, 5312273)]