19812658

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1433}}^1$

素因数の和:1689

約数の個数: 16

約数和(自身を含む): 30836736

約数和(自身を除く): 11024078

約数列:

[1, 2, 31, 62, 223, 446, 1433, 2866, 6913, 13826, 44423, 88846, 319559, 639118, 9906329, 19812658]

約数ペア:

[(1, 19812658), (2, 9906329), (31, 639118), (62, 319559), (223, 88846), (446, 44423), (1433, 13826), (2866, 6913)]