18671290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{631}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 18186950

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 269, 538, 631, 1262, 1345, 2690, 2959, 3155, 5918, 6310, 6941, 13882, 14795, 29590, 34705, 69410, 169739, 339478, 848695, 1697390, 1867129, 3734258, 9335645, 18671290]

約数ペア:

[(1, 18671290), (2, 9335645), (5, 3734258), (10, 1867129), (11, 1697390), (22, 848695), (55, 339478), (110, 169739), (269, 69410), (538, 34705), (631, 29590), (1262, 14795), (1345, 13882), (2690, 6941), (2959, 6310), (3155, 5918)]