19674865

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 9597455

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 769, 1505, 3655, 3845, 5117, 5383, 13073, 25585, 26915, 33067, 65365, 91511, 165335, 231469, 457555, 562139, 1157345, 2810695, 3934973, 19674865]

約数ペア:

[(1, 19674865), (5, 3934973), (7, 2810695), (17, 1157345), (35, 562139), (43, 457555), (85, 231469), (119, 165335), (215, 91511), (301, 65365), (595, 33067), (731, 26915), (769, 25585), (1505, 13073), (3655, 5383), (3845, 5117)]