31191818141

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{222419}}^1$

素因数の和:222521

約数の個数: 24

約数和(自身を含む): 36681506400

約数和(自身を除く): 5489688259

約数列:

[1, 11, 19, 61, 121, 209, 671, 1159, 2299, 7381, 12749, 140239, 222419, 2446609, 4225961, 13567559, 26912699, 46485571, 149243149, 257783621, 511341281, 1641674639, 2835619831, 31191818141]

約数ペア:

[(1, 31191818141), (11, 2835619831), (19, 1641674639), (61, 511341281), (121, 257783621), (209, 149243149), (671, 46485571), (1159, 26912699), (2299, 13567559), (7381, 4225961), (12749, 2446609), (140239, 222419)]