19518807

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12071}}^1$

素因数の和:12099

約数の個数: 24

約数和(自身を含む): 33028992

約数和(自身を除く): 13510185

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12071, 36213, 84497, 132781, 253491, 398343, 591479, 929467, 1774437, 2788401, 6506269, 19518807]

約数ペア:

[(1, 19518807), (3, 6506269), (7, 2788401), (11, 1774437), (21, 929467), (33, 591479), (49, 398343), (77, 253491), (147, 132781), (231, 84497), (539, 36213), (1617, 12071)]