18893229

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{911}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 26148864

約数和(自身を除く): 7255635

約数列:

[1, 3, 31, 93, 223, 669, 911, 2733, 6913, 20739, 28241, 84723, 203153, 609459, 6297743, 18893229]

約数ペア:

[(1, 18893229), (3, 6297743), (31, 609459), (93, 203153), (223, 84723), (669, 28241), (911, 20739), (2733, 6913)]