18843310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 17315090

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 557, 995, 1114, 1990, 2785, 3383, 5570, 6766, 9469, 16915, 18938, 33830, 47345, 94690, 110843, 221686, 554215, 1108430, 1884331, 3768662, 9421655, 18843310]

約数ペア:

[(1, 18843310), (2, 9421655), (5, 3768662), (10, 1884331), (17, 1108430), (34, 554215), (85, 221686), (170, 110843), (199, 94690), (398, 47345), (557, 33830), (995, 18938), (1114, 16915), (1990, 9469), (2785, 6766), (3383, 5570)]