19619901

素因数分解:

$3^4\times 7^1\times {\mathrm{34603}}^1$

素因数の和:34622

約数の個数: 20

約数和(自身を含む): 33496672

約数和(自身を除く): 13876771

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34603, 103809, 242221, 311427, 726663, 934281, 2179989, 2802843, 6539967, 19619901]

約数ペア:

[(1, 19619901), (3, 6539967), (7, 2802843), (9, 2179989), (21, 934281), (27, 726663), (63, 311427), (81, 242221), (189, 103809), (567, 34603)]