18274263

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 29621760

約数和(自身を除く): 11347497

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 609, 777, 811, 1073, 2433, 3219, 5677, 7511, 17031, 22533, 23519, 30007, 70557, 90021, 164633, 210049, 493899, 630147, 870203, 2610609, 6091421, 18274263]

約数ペア:

[(1, 18274263), (3, 6091421), (7, 2610609), (21, 870203), (29, 630147), (37, 493899), (87, 210049), (111, 164633), (203, 90021), (259, 70557), (609, 30007), (777, 23519), (811, 22533), (1073, 17031), (2433, 7511), (3219, 5677)]