219080422

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{905291}}^1$

素因数の和:905315

約数の個数: 12

約数和(自身を含む): 361211508

約数和(自身を除く): 142131086

約数列:

[1, 2, 11, 22, 121, 242, 905291, 1810582, 9958201, 19916402, 109540211, 219080422]

約数ペア:

[(1, 219080422), (2, 109540211), (11, 19916402), (22, 9958201), (121, 1810582), (242, 905291)]