19563219

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{617}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 30593472

約数和(自身を除く): 11030253

約数列:

[1, 3, 9, 13, 39, 117, 271, 617, 813, 1851, 2439, 3523, 5553, 8021, 10569, 24063, 31707, 72189, 167207, 501621, 1504863, 2173691, 6521073, 19563219]

約数ペア:

[(1, 19563219), (3, 6521073), (9, 2173691), (13, 1504863), (39, 501621), (117, 167207), (271, 72189), (617, 31707), (813, 24063), (1851, 10569), (2439, 8021), (3523, 5553)]