19193028155

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1\times {\mathrm{39671}}^1$

素因数の和:40307

約数の個数: 32

約数和(自身を含む): 27512690688

約数和(自身を除く): 8319662533

約数列:

[1, 5, 7, 23, 35, 115, 161, 601, 805, 3005, 4207, 13823, 21035, 39671, 69115, 96761, 198355, 277697, 483805, 912433, 1388485, 4562165, 6387031, 23842271, 31935155, 119211355, 166895897, 548372233, 834479485, 2741861165, 3838605631, 19193028155]

約数ペア:

[(1, 19193028155), (5, 3838605631), (7, 2741861165), (23, 834479485), (35, 548372233), (115, 166895897), (161, 119211355), (601, 31935155), (805, 23842271), (3005, 6387031), (4207, 4562165), (13823, 1388485), (21035, 912433), (39671, 483805), (69115, 277697), (96761, 198355)]