19691073

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 10721727

約数列:

[1, 3, 9, 27, 47, 59, 141, 177, 263, 423, 531, 789, 1269, 1593, 2367, 2773, 7101, 8319, 12361, 15517, 24957, 37083, 46551, 74871, 111249, 139653, 333747, 418959, 729299, 2187897, 6563691, 19691073]

約数ペア:

[(1, 19691073), (3, 6563691), (9, 2187897), (27, 729299), (47, 418959), (59, 333747), (141, 139653), (177, 111249), (263, 74871), (423, 46551), (531, 37083), (789, 24957), (1269, 15517), (1593, 12361), (2367, 8319), (2773, 7101)]