18629247

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68239}}^1$

素因数の和:68262

約数の個数: 16

約数和(自身を含む): 30571520

約数和(自身を除く): 11942273

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 68239, 204717, 477673, 887107, 1433019, 2661321, 6209749, 18629247]

約数ペア:

[(1, 18629247), (3, 6209749), (7, 2661321), (13, 1433019), (21, 887107), (39, 477673), (91, 204717), (273, 68239)]