19005477139

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{111953}}^1$

素因数の和:112059

約数の個数: 24

約数和(自身を含む): 22156144416

約数和(自身を除く): 3150667277

約数列:

[1, 11, 23, 61, 121, 253, 671, 1403, 2783, 7381, 15433, 111953, 169763, 1231483, 2574919, 6829133, 13546313, 28324109, 75120463, 157070059, 311565199, 826325093, 1727770649, 19005477139]

約数ペア:

[(1, 19005477139), (11, 1727770649), (23, 826325093), (61, 311565199), (121, 157070059), (253, 75120463), (671, 28324109), (1403, 13546313), (2783, 6829133), (7381, 2574919), (15433, 1231483), (111953, 169763)]