19281008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38873}}^1$

素因数の和:38912

約数の個数: 20

約数和(自身を含む): 38563008

約数和(自身を除く): 19282000

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38873, 77746, 155492, 310984, 621968, 1205063, 2410126, 4820252, 9640504, 19281008]

約数ペア:

[(1, 19281008), (2, 9640504), (4, 4820252), (8, 2410126), (16, 1205063), (31, 621968), (62, 310984), (124, 155492), (248, 77746), (496, 38873)]