7489420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19709}}^1$

素因数の和:19737

約数の個数: 24

約数和(自身を含む): 16556400

約数和(自身を除く): 9066980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 19709, 39418, 78836, 98545, 197090, 374471, 394180, 748942, 1497884, 1872355, 3744710, 7489420]

約数ペア:

[(1, 7489420), (2, 3744710), (4, 1872355), (5, 1497884), (10, 748942), (19, 394180), (20, 374471), (38, 197090), (76, 98545), (95, 78836), (190, 39418), (380, 19709)]