19783412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{863}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 37884672

約数和(自身を除く): 18101260

約数列:

[1, 2, 4, 11, 22, 44, 521, 863, 1042, 1726, 2084, 3452, 5731, 9493, 11462, 18986, 22924, 37972, 449623, 899246, 1798492, 4945853, 9891706, 19783412]

約数ペア:

[(1, 19783412), (2, 9891706), (4, 4945853), (11, 1798492), (22, 899246), (44, 449623), (521, 37972), (863, 22924), (1042, 18986), (1726, 11462), (2084, 9493), (3452, 5731)]