19877904

素因数分解:

$2^4\times 3^2\times {\mathrm{138041}}^1$

素因数の和:138055

約数の個数: 30

約数和(自身を含む): 55630926

約数和(自身を除く): 35753022

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138041, 276082, 414123, 552164, 828246, 1104328, 1242369, 1656492, 2208656, 2484738, 3312984, 4969476, 6625968, 9938952, 19877904]

約数ペア:

[(1, 19877904), (2, 9938952), (3, 6625968), (4, 4969476), (6, 3312984), (8, 2484738), (9, 2208656), (12, 1656492), (16, 1242369), (18, 1104328), (24, 828246), (36, 552164), (48, 414123), (72, 276082), (144, 138041)]