18219516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{216899}}^1$

素因数の和:216913

約数の個数: 24

約数和(自身を含む): 48585600

約数和(自身を除く): 30366084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 216899, 433798, 650697, 867596, 1301394, 1518293, 2602788, 3036586, 4554879, 6073172, 9109758, 18219516]

約数ペア:

[(1, 18219516), (2, 9109758), (3, 6073172), (4, 4554879), (6, 3036586), (7, 2602788), (12, 1518293), (14, 1301394), (21, 867596), (28, 650697), (42, 433798), (84, 216899)]