18709737

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5381}}^1$

素因数の和:5464

約数の個数: 16

約数和(自身を含む): 26694720

約数和(自身を除く): 7984983

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 5381, 16143, 102239, 306717, 328241, 984723, 6236579, 18709737]

約数ペア:

[(1, 18709737), (3, 6236579), (19, 984723), (57, 328241), (61, 306717), (183, 102239), (1159, 16143), (3477, 5381)]