18881203

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 22465296

約数和(自身を除く): 3584093

約数列:

[1, 11, 17, 67, 121, 137, 187, 737, 1139, 1507, 2057, 2329, 8107, 9179, 12529, 16577, 25619, 100969, 137819, 156043, 281809, 1110659, 1716473, 18881203]

約数ペア:

[(1, 18881203), (11, 1716473), (17, 1110659), (67, 281809), (121, 156043), (137, 137819), (187, 100969), (737, 25619), (1139, 16577), (1507, 12529), (2057, 9179), (2329, 8107)]