19542945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 33374592

約数和(自身を除く): 13831647

約数列:

[1, 3, 5, 15, 17, 51, 85, 173, 255, 443, 519, 865, 1329, 2215, 2595, 2941, 6645, 7531, 8823, 14705, 22593, 37655, 44115, 76639, 112965, 229917, 383195, 1149585, 1302863, 3908589, 6514315, 19542945]

約数ペア:

[(1, 19542945), (3, 6514315), (5, 3908589), (15, 1302863), (17, 1149585), (51, 383195), (85, 229917), (173, 112965), (255, 76639), (443, 44115), (519, 37655), (865, 22593), (1329, 14705), (2215, 8823), (2595, 7531), (2941, 6645)]