19793109

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4643}}^1$

素因数の和:4689

約数の個数: 24

約数和(自身を含む): 31764960

約数和(自身を除く): 11971851

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4643, 13929, 32501, 97503, 134647, 227507, 403941, 682521, 942529, 2827587, 6597703, 19793109]

約数ペア:

[(1, 19793109), (3, 6597703), (7, 2827587), (21, 942529), (29, 682521), (49, 403941), (87, 227507), (147, 134647), (203, 97503), (609, 32501), (1421, 13929), (4263, 4643)]