18156937145

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 22197732480

約数和(自身を除く): 4040795335

約数列:

[1, 5, 109, 251, 331, 401, 545, 1255, 1655, 2005, 27359, 36079, 43709, 83081, 100651, 132731, 136795, 180395, 218545, 415405, 503255, 663655, 9055829, 10970959, 14467679, 33315481, 45279145, 54854795, 72338395, 166577405, 3631387429, 18156937145]

約数ペア:

[(1, 18156937145), (5, 3631387429), (109, 166577405), (251, 72338395), (331, 54854795), (401, 45279145), (545, 33315481), (1255, 14467679), (1655, 10970959), (2005, 9055829), (27359, 663655), (36079, 503255), (43709, 415405), (83081, 218545), (100651, 180395), (132731, 136795)]