19499205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2003}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 34629120

約数和(自身を除く): 15129915

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 295, 649, 885, 1947, 2003, 3245, 6009, 9735, 10015, 22033, 30045, 66099, 110165, 118177, 330495, 354531, 590885, 1299947, 1772655, 3899841, 6499735, 19499205]

約数ペア:

[(1, 19499205), (3, 6499735), (5, 3899841), (11, 1772655), (15, 1299947), (33, 590885), (55, 354531), (59, 330495), (165, 118177), (177, 110165), (295, 66099), (649, 30045), (885, 22033), (1947, 10015), (2003, 9735), (3245, 6009)]