18930745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2239}}^1$

素因数の和:2352

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 5261255

約数列:

[1, 5, 19, 89, 95, 445, 1691, 2239, 8455, 11195, 42541, 199271, 212705, 996355, 3786149, 18930745]

約数ペア:

[(1, 18930745), (5, 3786149), (19, 996355), (89, 212705), (95, 199271), (445, 42541), (1691, 11195), (2239, 8455)]