19616974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{919}}^1$

素因数の和:1755

約数の個数: 16

約数和(自身を含む): 31762080

約数和(自身を除く): 12145106

約数列:

[1, 2, 13, 26, 821, 919, 1642, 1838, 10673, 11947, 21346, 23894, 754499, 1508998, 9808487, 19616974]

約数ペア:

[(1, 19616974), (2, 9808487), (13, 1508998), (26, 754499), (821, 23894), (919, 21346), (1642, 11947), (1838, 10673)]