19262205

素因数分解:

$3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 34848000

約数和(自身を除く): 15585795

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 199, 239, 405, 597, 717, 995, 1195, 1791, 2151, 2985, 3585, 5373, 6453, 8955, 10755, 16119, 19359, 26865, 32265, 47561, 80595, 96795, 142683, 237805, 428049, 713415, 1284147, 2140245, 3852441, 6420735, 19262205]

約数ペア:

[(1, 19262205), (3, 6420735), (5, 3852441), (9, 2140245), (15, 1284147), (27, 713415), (45, 428049), (81, 237805), (135, 142683), (199, 96795), (239, 80595), (405, 47561), (597, 32265), (717, 26865), (995, 19359), (1195, 16119), (1791, 10755), (2151, 8955), (2985, 6453), (3585, 5373)]