80183876

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{55529}}^1$

素因数の和:55571

約数の個数: 18

約数和(自身を含む): 148098510

約数和(自身を除く): 67914634

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 55529, 111058, 222116, 1055051, 2110102, 4220204, 20045969, 40091938, 80183876]

約数ペア:

[(1, 80183876), (2, 40091938), (4, 20045969), (19, 4220204), (38, 2110102), (76, 1055051), (361, 222116), (722, 111058), (1444, 55529)]