19897161

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12037}}^1$

素因数の和:12088

約数の個数: 16

約数和(自身を含む): 28891200

約数和(自身を除く): 8994039

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12037, 36111, 228703, 349073, 686109, 1047219, 6632387, 19897161]

約数ペア:

[(1, 19897161), (3, 6632387), (19, 1047219), (29, 686109), (57, 349073), (87, 228703), (551, 36111), (1653, 12037)]