18495148

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:694

約数の個数: 36

約数和(自身を含む): 37920960

約数和(自身を除く): 19425812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 479, 788, 958, 1379, 1916, 2758, 3353, 5516, 6706, 9653, 13412, 19306, 23471, 38612, 46942, 93884, 94363, 188726, 377452, 660541, 1321082, 2642164, 4623787, 9247574, 18495148]

約数ペア:

[(1, 18495148), (2, 9247574), (4, 4623787), (7, 2642164), (14, 1321082), (28, 660541), (49, 377452), (98, 188726), (196, 94363), (197, 93884), (394, 46942), (479, 38612), (788, 23471), (958, 19306), (1379, 13412), (1916, 9653), (2758, 6706), (3353, 5516)]