18425410

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 15788990

約数列:

[1, 2, 5, 10, 47, 94, 197, 199, 235, 394, 398, 470, 985, 995, 1970, 1990, 9259, 9353, 18518, 18706, 39203, 46295, 46765, 78406, 92590, 93530, 196015, 392030, 1842541, 3685082, 9212705, 18425410]

約数ペア:

[(1, 18425410), (2, 9212705), (5, 3685082), (10, 1842541), (47, 392030), (94, 196015), (197, 93530), (199, 92590), (235, 78406), (394, 46765), (398, 46295), (470, 39203), (985, 18706), (995, 18518), (1970, 9353), (1990, 9259)]