18008540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3602

約数の個数: 48

約数和(自身を含む): 43061760

約数和(自身を除く): 25053220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3559, 5060, 7118, 14236, 17795, 35590, 39149, 71180, 78298, 81857, 156596, 163714, 195745, 327428, 391490, 409285, 782980, 818570, 900427, 1637140, 1800854, 3601708, 4502135, 9004270, 18008540]

約数ペア:

[(1, 18008540), (2, 9004270), (4, 4502135), (5, 3601708), (10, 1800854), (11, 1637140), (20, 900427), (22, 818570), (23, 782980), (44, 409285), (46, 391490), (55, 327428), (92, 195745), (110, 163714), (115, 156596), (220, 81857), (230, 78298), (253, 71180), (460, 39149), (506, 35590), (1012, 17795), (1265, 14236), (2530, 7118), (3559, 5060)]