19611921

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9067}}^1$

素因数の和:9180

約数の個数: 16

約数和(自身を含む): 30178304

約数和(自身を除く): 10566383

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9067, 27201, 63469, 190407, 933901, 2801703, 6537307, 19611921]

約数ペア:

[(1, 19611921), (3, 6537307), (7, 2801703), (21, 933901), (103, 190407), (309, 63469), (721, 27201), (2163, 9067)]