19667907

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5477}}^1$

素因数の和:5512

約数の個数: 32

約数和(自身を含む): 35059200

約数和(自身を除く): 15391293

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5477, 16431, 38339, 49293, 104063, 115017, 147879, 312189, 345051, 728441, 936567, 1035153, 2185323, 2809701, 6555969, 19667907]

約数ペア:

[(1, 19667907), (3, 6555969), (7, 2809701), (9, 2185323), (19, 1035153), (21, 936567), (27, 728441), (57, 345051), (63, 312189), (133, 147879), (171, 115017), (189, 104063), (399, 49293), (513, 38339), (1197, 16431), (3591, 5477)]