18988858

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9103}}^1$

素因数の和:9261

約数の個数: 16

約数和(自身を含む): 32774400

約数和(自身を除く): 13785542

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 9103, 18206, 63721, 127442, 1356347, 2712694, 9494429, 18988858]

約数ペア:

[(1, 18988858), (2, 9494429), (7, 2712694), (14, 1356347), (149, 127442), (298, 63721), (1043, 18206), (2086, 9103)]