1919712921

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2470673}}^1$

素因数の和:2470720

約数の個数: 16

約数和(自身を含む): 3004339584

約数和(自身を除く): 1084626663

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 2470673, 7412019, 17294711, 51884133, 91414901, 274244703, 639904307, 1919712921]

約数ペア:

[(1, 1919712921), (3, 639904307), (7, 274244703), (21, 91414901), (37, 51884133), (111, 17294711), (259, 7412019), (777, 2470673)]