17974674

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 40494168

約数和(自身を除く): 22519494

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 137, 197, 222, 274, 333, 394, 411, 591, 666, 822, 1182, 1233, 1773, 2466, 3546, 5069, 7289, 10138, 14578, 15207, 21867, 26989, 30414, 43734, 45621, 53978, 65601, 80967, 91242, 131202, 161934, 242901, 485802, 998593, 1997186, 2995779, 5991558, 8987337, 17974674]

約数ペア:

[(1, 17974674), (2, 8987337), (3, 5991558), (6, 2995779), (9, 1997186), (18, 998593), (37, 485802), (74, 242901), (111, 161934), (137, 131202), (197, 91242), (222, 80967), (274, 65601), (333, 53978), (394, 45621), (411, 43734), (591, 30414), (666, 26989), (822, 21867), (1182, 15207), (1233, 14578), (1773, 10138), (2466, 7289), (3546, 5069)]