19767260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 44924544

約数和(自身を除く): 25157284

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1237, 1598, 2474, 3196, 3995, 4948, 6185, 7990, 12370, 15980, 21029, 24740, 42058, 58139, 84116, 105145, 116278, 210290, 232556, 290695, 420580, 581390, 988363, 1162780, 1976726, 3953452, 4941815, 9883630, 19767260]

約数ペア:

[(1, 19767260), (2, 9883630), (4, 4941815), (5, 3953452), (10, 1976726), (17, 1162780), (20, 988363), (34, 581390), (47, 420580), (68, 290695), (85, 232556), (94, 210290), (170, 116278), (188, 105145), (235, 84116), (340, 58139), (470, 42058), (799, 24740), (940, 21029), (1237, 15980), (1598, 12370), (2474, 7990), (3196, 6185), (3995, 4948)]