209171930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1901563}}^1$

素因数の和:1901581

約数の個数: 16

約数和(自身を含む): 410737824

約数和(自身を除く): 201565894

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1901563, 3803126, 9507815, 19015630, 20917193, 41834386, 104585965, 209171930]

約数ペア:

[(1, 209171930), (2, 104585965), (5, 41834386), (10, 20917193), (11, 19015630), (22, 9507815), (55, 3803126), (110, 1901563)]