18454947

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 30904320

約数和(自身を除く): 12449373

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2011, 3059, 6033, 9177, 14077, 38209, 42231, 46253, 114627, 138759, 267463, 323771, 802389, 878807, 971313, 2636421, 6151649, 18454947]

約数ペア:

[(1, 18454947), (3, 6151649), (7, 2636421), (19, 971313), (21, 878807), (23, 802389), (57, 323771), (69, 267463), (133, 138759), (161, 114627), (399, 46253), (437, 42231), (483, 38209), (1311, 14077), (2011, 9177), (3059, 6033)]