18747888

素因数分解:

$2^4\times 3^1\times {\mathrm{390581}}^1$

素因数の和:390592

約数の個数: 20

約数和(自身を含む): 48432168

約数和(自身を除く): 29684280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 390581, 781162, 1171743, 1562324, 2343486, 3124648, 4686972, 6249296, 9373944, 18747888]

約数ペア:

[(1, 18747888), (2, 9373944), (3, 6249296), (4, 4686972), (6, 3124648), (8, 2343486), (12, 1562324), (16, 1171743), (24, 781162), (48, 390581)]