18684615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 13663545

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1559, 2397, 3995, 4677, 7795, 11985, 23385, 26503, 73273, 79509, 132515, 219819, 366365, 397545, 1099095, 1245641, 3736923, 6228205, 18684615]

約数ペア:

[(1, 18684615), (3, 6228205), (5, 3736923), (15, 1245641), (17, 1099095), (47, 397545), (51, 366365), (85, 219819), (141, 132515), (235, 79509), (255, 73273), (705, 26503), (799, 23385), (1559, 11985), (2397, 7795), (3995, 4677)]