19848945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77839}}^1$

素因数の和:77864

約数の個数: 16

約数和(自身を含む): 33626880

約数和(自身を除く): 13777935

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77839, 233517, 389195, 1167585, 1323263, 3969789, 6616315, 19848945]

約数ペア:

[(1, 19848945), (3, 6616315), (5, 3969789), (15, 1323263), (17, 1167585), (51, 389195), (85, 233517), (255, 77839)]